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intrusion - tampering
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Mission Statement
TechRepublic's ITPapers is the Web's largest library of free technical IT white papers, webcasts, and case studies. Covering IT categories including Data Management, IT Management, Networking, Communications, Enterprise Applications, Storage, Security and much more, TechRepublic's White Paper Directory is the best source for technical white papers and IT information.
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White Papers
A Biologically Inspired Password Authentication System
Mar 2009
Password authentication is very critical for secure access to computing systems/servers as it verifies the identity of users and processes. Most authentication systems use some form Positive...
Provided by Association for Computing Machinery
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White Papers
To Filter or to Authorize: Network-Layer DoS Defense Against Multimillion-Node Botnets
Aug 2008
This paper presents the design and implementation of a filter-based DoS defense system (StopIt) and a comparison study on the effectiveness of filters and capabilities. Central to the StopIt...
Provided by Association for Computing Machinery
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White Papers
Effective Outlier Detection in Science Data Streams
May 2010
The growth in data volumes from all aspects of space and earth science (satellites, sensors, observatory monitoring systems, and simulations) requires more effective knowledge discovery and...
Provided by George Mason University
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White Papers
Hacking the Nintendo Wii Remote
Jun 2008
The Nintendo Wii remote, or Wiimote, is a handheld device resembling a television remote, but in addition to buttons, it contains a 3-axis accelerometer, a high-resolution highspeed IR camera, a...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
How Much Anonymity Does Network Latency Leak?
Feb 2010
Low-latency anonymity systems such as Tor, AN.ON, Crowds, and Anonymizer.com aim to provide anonymous connections that are both untraceable by "Local" adversaries who control only a few machines...
Provided by Association for Computing Machinery
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White Papers
Spatial-Temporal Characteristics of Internet Malicious Sources
Jan 2008
In this paper, the authors study the spatial-temporal characteristics of malicious sources at Internet. The analysis is based on a huge trace provided by DShield.org that describes the long-term...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
V-Detector : An Efficient Negative Selection Algorithm With "Probably Adequate" Detector Coverage
Nov 2008
This paper describes an enhanced Negative Selection Algorithm (NSA) called V- detector. Several key characteristics make this method a state-of-the-art advance in the decade-old NSA. First,...
Provided by Columbia University
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White Papers
Password Security Through Negative Filtering
Jul 2010
The purpose of an authentication system is to identify and verify incoming authentication requests comparing with some form of (stored) user identity. This stored user profile is at risk of being...
Provided by University of Memphis
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White Papers
Chip and PIN Is Broken
Apr 2010
EMV is the dominant protocol used for smart card payments worldwide, with over 730 million cards in circulation. Known to bank customers as "Chip and PIN", it is used in Europe; its being...
Provided by University of Cambridge
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White Papers
Privacy Preserving Spam Filtering
Feb 2011
This paper presents an approach to training a binary logistic regression classifier in the setting where the training data needs to be kept private. The authors provide a theoretical analysis of...
Provided by Association for Computing Machinery
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White Papers
Improving Sensor Network Immunity Under Worm Attacks: A Software Diversity Approach
May 2008
Because of cost and resource constraints, sensor nodes do not have a complicated hardware architecture or operating system to protect program safety. Hence, the notorious buffer-overflow...
Provided by Association for Computing Machinery
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White Papers
Unified Declarative Platform for Secure Networked Information Systems
Oct 2008
The authors present a unified declarative platform for specifying, implementing, and analyzing secure networked information systems. The work builds upon techniques from logic-based trust...
Provided by University of Pennsylvania
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White Papers
Evaluating the Vulnerability of Network Mechanisms to Sophisticated DDoS Attacks
Jan 2008
The design of computer and communication systems has been based, for decades, on the fundamental assumption that the objective of all users is to improve their own performance. In recent years the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
DoS-Resistant Broadcast Authentication Protocol With Low End-to-End Delay
Mar 2008
In mission-critical networks, command, alerts, and critical data are frequently broadcast over wireless networks. Broadcast traffic must be protected from malicious attacks, wherein sources are...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Slicing Spam With Occam's Razor
Aug 2007
To evade blacklisting, the vast majority of spam email is sent from exploited MTAs (i.e., Botnets) and with forged "From" addresses. In response, the anti-spam community has developed a number of...
Provided by University of California, San Diego
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White Papers
Large-Scale Malware Indexing Using Function-Call Graphs
Nov 2009
A major challenge of the Anti-Virus (AV) industry is how to effectively process the huge influx of malware samples they receive every day. One possible solution to this problem is to quickly...
Provided by Association for Computing Machinery
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White Papers
Automatic Generation of String Signatures for Malware Detection
Jun 2009
Scanning les for signatures is a proven technology, but exponential growth in unique malware programs has caused an explosion in signature database sizes. One solution to this problem is to use...
Provided by Symantec
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White Papers
Automating Analysis of Large-Scale Botnet Probing Events
Mar 2009
Botnets dominate today's attack landscape. This work investigates ways to analyze collections of malicious probing traffic in order to understand the significance of large-scale "Botnet probes"....
Provided by Association for Computing Machinery
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White Papers
Exact Modeling of Propagation for Permutation-Scanning Worms
Jan 2008
Modeling worm propagation has been an important research subject in the Internet-worm research community. An accurate analytical propagation model allows studying the spreading speed and traffic...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Drivers of Information Security Search Behavior: An Investigation of Network Attacks and Vulnerability Disclosures
Nov 2010
More and more people use search engines to seek for various information. This study investigates the search behavior that drives the search for information security knowledge via a search engine....
Provided by University at Buffalo
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White Papers
Intrusion Detection System to Detect Wormhole Using Fault Localization Techniques
Oct 2007
In this paper, the authors present a strategy to detect an intrusion using fault localization tools. They propose an intrusion detection system to detect a self-contained in-band wormhole attack...
Provided by University of Delaware
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White Papers
A Case for Unsupervised-Learning-Based Spam Filtering
Jun 2010
Traditional content-based spam filtering systems rely on supervised machine learning techniques. In the training phase, labeled email instances are used to build a learning model (e.g., a Naive...
Provided by Association for Computing Machinery
-
White Papers
Protecting the Access Network: Efficient Algorithms for Survivable Topology
Feb 2008
It is important to prevent access network from bottlenecking the end-to-end survivability, especially as voice, video, and data traffic are all delivered through the same access network. With...
Provided by Princeton University
-
White Papers
How Bad Is Suboptimal Rate Allocation?
Jan 2008
A rate allocation that is suboptimal with respect to a utility maximization formulation still maintains the maximum flow-level stability when the utility gap is sufficiently small, and provides a...
Provided by Princeton University
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White Papers
Investigation of Triangular Spamming: A Stealthy and Efficient Spamming Technique
Mar 2010
Spam is increasingly accepted as a problem associated with compromised hosts or email accounts. This problem not only makes the tracking of spam sources difficult but also enables a massive amount...
Provided by University of Michigan
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White Papers
On Network-Level Clusters for Spam Detection
Mar 2010
IP-based blacklist is an effective way to filter spam emails. However, building and maintaining individual IP addresses in the blacklist is difficult, as new malicious hosts continuously appear...
Provided by University of Michigan
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White Papers
Botnet Spam Campaigns Can Be Long Lasting: Evidence, Implications, and Analysis
Jun 2009
Accurately identifying spam campaigns launched by a large number of bots in a botnet allows for accurate spam campaign signature generation and hence is critical to defeating spamming botnets. The...
Provided by Association for Computing Machinery
-
White Papers
Peeking Into Spammer Behavior From a Unique Vantage Point
Apr 2008
Understanding the spammer behavior is a critical step in the long-lasting battle against email spams. Previous studies have focused on setting up honeypots or email sinkholes containing...
Provided by University of Michigan
-
White Papers
MIDAS: An Impact Scale for DDoS Attacks
Jan 2011
The authors usually have well-defined classification scales to estimate the intensity and impact of natural disasters. Prominent examples are the Richter and the Fujita scales for measuring...
Provided by University of Michigan
-
White Papers
Weeding Spammers at the Root: A Precise Approach to Spam Reduction
Jul 2008
Email spam has become one of the most critical threats affecting Internet user experiences. Existing anti-spam techniques, such as spam filters and reputation systems, face growing difficulties...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Detection of Low-Rate Attacks in Computer Networks
Jul 2008
This paper develops two parametric methods to detect low-rate denial-of-service attacks and other similar near-periodic traffic, without the need for flow separation. The first method, the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Aggregate-Based Congestion Control
Jan 2011
Recent events have illustrated the Internet's vulnerability to both Denial of Service (DoS) attacks and flash crowds in which links (or servers) in the network become severely congested. In both...
Provided by AT&T Labs
-
White Papers
Stronger Difficulty Notions for Client Puzzles and Denial-of-Service-Resistant Protocols
Dec 2010
Client puzzles are meant to act as a defense against Denial of Service (DoS) attacks by requiring a client to solve some moderately hard problem before being granted access to a resource. However,...
Provided by Queensland University of Technology
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White Papers
Understanding Forgery Properties of Spam Delivery Paths
Jun 2010
It is well known that spammers can forge the header of an email, in particular, the trace information carried in the Received: fields, as an attempt to hide the true origin of the email. Despite...
Provided by Florida State University
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White Papers
Behavioral Characteristics of Spammers and Their Network Reachability Properties
Jan 2011
The majority of earlier studies on the email spam have focused on the contents of email messages so as to distinguish spam messages from legitimate ones. However, there is a growing realization in...
Provided by Florida State University
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White Papers
Probabilistic Modeling and Analysis of DoS Protection for the ASV Protocol
Sep 2008
The Adaptive Selective Verification (ASV) protocol was recently proposed as an effective and efficient DoS countermeasure within the shared channel model, in which clients and attackers...
Provided by University of Illinois at Urbana Champaign
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White Papers
Knowing Where Your Input Is From: Kernel-Level Data-Provenance Verification
Apr 2010
This paper describes a cryptographic provenance verification approach for ensuring system properties and system-data integrity at kernel-level. Its two concrete applications are demonstrated in...
Provided by Virginia Tech
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White Papers
Poster: CompareView - A Provenance Verification Framework for Detecting Rootkit-Based Malware
Apr 2009
Using rootkit mechanisms to hide malware presence is pervasive in today's computer attacks. This paper proposes the CompareView framework, a host-based solution to detect stealthy outbound traffic...
Provided by Rutgers University
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White Papers
User-Assisted Host-Based Detection of Outbound Malware Traffic
Oct 2009
Conventional network security solutions are performed on network layer packets using statistical measures. These types of traffic analysis may not catch stealthy attacks carried out by today's...
Provided by Rutgers University
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White Papers
Controlling IP Spoofing Based DDoS Attacks Through Inter-Domain Packet Filters
Jan 2011
The Distributed Denial of Services (DDoS) attack is a serious threat to the legitimate use of the Internet. Prevention mechanisms are thwarted by the ability of attackers to forge, or spoof, the...
Provided by Florida State University
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Whitepapers
Behind the Scenes of Online Attacks: An Analysis of Exploitation Behaviors on the Web
Dec 2012
Web attacks are nowadays one of the major threats on the Internet, and several studies have analyzed them, providing details on how they are performed and how they spread. However, no study seems...
Provided by EURECOM
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Whitepapers
Reducing Time Cost in Hashing Operations
Jan 2013
During a forensic investigation, an investigator might be required to analyze the content of a personal computer. Due to huge amounts of data, it becomes necessary to recognize suspect files and...
Provided by Bulgarian Academy of Sciences
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Whitepapers
AppGuard - Enforcing User Requirements on Android Apps
Jan 2013
The success of Android phones makes them a prominent target for malicious software, in particular since the Android permission system turned out to be inadequate to protect the user against...
Provided by Saarixx Labs
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Whitepapers
Debug Port Protection Mechanism for Secure Embedded Devices
Jun 2012
In this paper, the authors propose a protection mechanism for the debug port. While debug ports are useful tools for embedded device development and maintenance, they can also become potential...
Provided by Sogame
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Whitepapers
SpamResist: Making Peer-to-Peer Tagging Systems Robust to Spam
Oct 2009
Tagging systems are known to be particularly vulnerable to tag spam. Due to the self-organization and self-maintenance nature of Peer-To-Peer (P2P) overlay networks, users in the P2P tagging...
Provided by Peking Duck Software
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Whitepapers
Stealthy IP Prefix Hijacking: Don't Bite Off More Than You Can Chew
Oct 2009
In prefix hijacking, an Autonomous System (AS) advertises routes for prefixes that are owned by another AS, and ends up hijacking traffic that is intended to the owner. While misconfigurations...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Stealthy Malware Detection Through VMM-Based "Out-of-the-Box" Semantic View Reconstruction
Nov 2007
An alarming trend in malware attacks is that they are armed with stealthy techniques to detect, evade, and subvert malware detection facilities of the victim. On the defensive side, a fundamental...
Provided by Association for Computing Machinery
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Whitepapers
Mitigating Code-Reuse Attacks With Control-Flow Locking
Dec 2011
Code-reuse attacks are software exploits in which an attacker directs control flow through existing code with a malicious result. One such technique, return-oriented programming, is based on...
Provided by Association for Computing Machinery
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Whitepapers
An Active Rule Approach for Network Intrusion Detection with Enhanced C4.5 Algorithm
Nov 2008
Intrusion Detection Systems provide additional defense capacity to a networked information system in addition to the security measures provided by the firewalls. This paper proposes an active rule...
Provided by Scientific Research
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Whitepapers
A Topology-Based Conflict Detection System for Firewall Policies Using Bit-Vector-Based Spatial Calculus
Nov 2011
Firewalls use packet filtering to either accept or deny packets on the basis of a set of predefined rules called filters. The firewall forms the initial layer of defense and protects the network...
Provided by Scientific Research
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Whitepapers
Setting a Worm Attack Warning by Using Machine Learning to Classify NetFlow Data
Dec 2011
The authors present a worm warning system that leverages the reliability of IP-Flow and the effectiveness of machine learning techniques. Their system aims at setting an alarm in case a node is...
Provided by International Journal of Computer Applications
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Whitepapers
Detection of Malicious Code-Injection Attack Using Two Phase Analysis Technique
May 2012
In today's world code injection attack is a very big problem. Code injection attacks are to exploit software vulnerabilities and inject malicious code into target program. These malicious codes...
Provided by International Journal of Computer Applications
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Whitepapers
Parameterized Analysis of Intrusion Detection and Prevention Systems and Their Implications on Attack Alerts and Event Co-Relation
Mar 2013
Intrusion Detection and/or Prevention Systems (IDPS) represent an important line of defence against a variety of attacks that can compromise the security and proper functioning of an enterprise...
Provided by International Journal of Computer Applications
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Whitepapers
Advances in Intrusion Detection System for WLAN
Oct 2011
A wireless network is not as secure as compare the wired network because the data is transferred on air so any intruder can use hacking techniques to access that data. Indeed, it is difficult to...
Provided by Scientific Research
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Whitepapers
Adaptive Layered Approach Using C5.0 Decision Tree for Intrusion Detection Systems (ALIDS)
Mar 2013
Intrusion Detection System (IDS) is one of a crucial issue and a major research problem in network security. This work, An Adaptive multi-Layer Intrusion Detection System (ALIDS) is designed and...
Provided by International Journal of Computer Applications
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Whitepapers
Multi-Phase IRC Botnet and Botnet Behavior Detection Model
Mar 2013
Botnets are considered one of the most dangerous and serious security threats facing the networks and the Internet. Comparing with the other security threats, botnet members have the ability to be...
Provided by International Journal of Computer Applications
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Whitepapers
Entropy-Based Detection of DDoS Attacks Using HSM Model
Mar 2012
Distributed Denial of Service (DDoS) attack is a continuous threat to the Internet. It is critical to traceback the source of attacks. When the attacks with small number attack packet rates and...
Provided by International Journal of Communications and Engineering
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Whitepapers
Entropy Based IP Traceback Against DDOS Attacks
Mar 2012
Distributed Denial-of-Service (DDoS) attacks are a critical threat to the Internet. However, the memory-less feature of the Internet routing mechanisms makes it extremely hard to trace back to the...
Provided by International Journal of Communications and Engineering
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Whitepapers
Secrecy and Cooperative Firewall Policies in Virtual Private Network
Mar 2012
Virtual Private Network (VPN) is a globally used technology allows the user to create encrypted tunnel. CDCF (Cross-Domain Cooperative Firewall) is vulnerable to selective policy updating attacks,...
Provided by International Journal of Communications and Engineering
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Whitepapers
A Survey and Taxonomy of Lightweight Intrusion Detection Systems
Jun 2012
Internet and computer networks are exposed to an ever increasing number of security threats that can damage computer systems and communication channels. In this paper, the authors introduce...
Provided by University of Canberra
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Whitepapers
A Study on Swarm Intelligence Techniques in Intrusion Detection
Nov 2012
Intrusion Detection System is a security support mechanism which has received great attention from researchers all over the globe recently. In the recent past, bio-inspired meta-heuristic...
Provided by International Journal of Computer Applications
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Whitepapers
Ant Colony Traceback for Low Rate DOS Attack
Nov 2012
Denial of service is one of the most common threats on the public open networks like Internet which taken up by spoofing in the IP address source and leads to exploit the system resources. This...
Provided by International Journal of Computer Applications
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Whitepapers
Intelligent Agent-Based Intrusion Detection System Using Enhanced Multiclass SVM
Jul 2012
Intrusion detection systems were used in the past along with various techniques to detect intrusions in networks effectively. However, most of these systems are able to detect the intruders only...
Provided by Hindawi Publishing
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Whitepapers
Detection of Distributed Denial of Service Prevention (DDoSP)
Feb 2013
There are many solution based methods created against Distributed Denial of Service (DDoS) attacks are focused on the Transmission Control Protocol and Internet Protocol layers as a substitute of...
Provided by Government College Of Engineering Tirunelveli
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Whitepapers
Efficient Context-Free Grammar Intrusion Detection System
Aug 2011
Intrusion detection systems are becoming ubiquitous defenses in current net-works and no complete and systematic methodologies available to test the effectiveness of these systems. Though there...
Provided by National Engineering College
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Whitepapers
A Fault Detection System for an Autocorrelated Process Using SPC/EPC/ANN and SPC/EPC/SVM Schemes
Sep 2011
The Statistical Process Control (SPC) chart is effective in detecting process faults. One important assumption for using the traditional SPC charts requires that the plotted observations are...
Provided by National Taipei University of Technology
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Whitepapers
LMI-Based Fault Detection Fuzzy Observer Design with Multiple Performance Constraints for a Class of Non-Linear Systems: Comparative Study
Jan 2012
Over the last decades, many researchers have paid attention to the problem of observer-based Fault Detection and Diagnosis (FDD) for dynamic systems subjected to various possible faults. Most of...
Provided by Nanjing University of Science & Technology
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Whitepapers
A Generalized Likelihood Ratio Test for a Fault-Tolerant Control System
Mar 2012
In this paper, the authors deal with the problem of diagnosis of multiple sequential faults using statistical test GLR. Based on the work of Willsky and Jones [50], they propose a modified...
Provided by ISSN
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Whitepapers
Realization of Network Bypass Protecting Instrument Based on ARM-Linux
Sep 2012
With the control mode of value-added network services equipment changing from bypass intervention to serial control, in order to minimize the security problems which are caused by the failure of...
Provided by Scientific Research
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Webcasts
Mark Kawakami: Finger Tips: Lessons Learned From Building a Touch-Based Experience
Apr 2012
In this webcast, the presenter takes the user through some lessons learned in building touch-based experiences for one of the most popular websites on the internet. The presenter also going to...
Provided by Oleksiy Kovyrin
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Whitepapers
ANFIS Based Spam Filtering Model for Social Networking Websites
Apr 2012
Spam is flooding the Internet with many copies of the same message, in an attempt to force the message on people who would not otherwise choose to receive it. There are various types of spam such...
Provided by International Journal of Computer Applications
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Whitepapers
On Denial of Service Attacks for Wireless Sensor Networks
Apr 2012
On Denial-of-Service (DoS) attacks for Wireless Sensor Networks (WSNs), the authors investigated the security aspects of the physical layer. They conducted the simulative performance analysis of...
Provided by International Journal of Computer Applications
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Whitepapers
ETM: A Novel Efficient Traceback Method for DDoS Attacks
Oct 2012
Distributed Denial-of-Service (DDoS) attacks are a dangerous hazard to the web. On the other hand, the memory less quality of the Internet routing technique makes it enormously solid to trace back...
Provided by Siddha
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Whitepapers
Assuage Bandwidth Utilization DDoS Attacks by Using Prototype Analyzer and Transfer Scheduling Scheme
Aug 2012
Denial-of-Service (DoS) attacks occur when the attacks are from a single source, whereas Distributed Denial-of-Service (DDoS) attacks occur when many compromised systems flood the resources or...
Provided by IOSR Journal of Engineering
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Whitepapers
Using Simulation to Investigate Virus Propagation in Computer Networks
Nov 2012
Making the best decisions to respond to a virus threat can be critical in thwarting a quick spread and minimizing negative impacts of an attack. This paper uses simulation to compare two main...
Provided by Canadian Center of Science and Education
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Whitepapers
Detect DDoS Attack Using Border Gateways and Edge Routers
Mar 2012
The system is design to implement an identification and classification algorithm for tracing DDoS attack and multicast attack information to an edge router using Cyclical Deterministic Packet...
Provided by International Journal of Computer Applications
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Whitepapers
DDoS Attack Detection and Attacker Identification
Mar 2012
DDoS attack is a form of DoS attack in which attacker uses authorized user IP address to attack on a particular victim. Of the two types of attack it falls in the active category. The main aim of...
Provided by International Journal of Computer Applications
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Whitepapers
A Survey on "Intrusion Detection System"
Nov 2012
Intrusion detection is the process of identifying and responding to suspicious activities targeted at computing and communication resources and it has become the mainstream of information...
Provided by IJCSMR
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Whitepapers
Traceback of DDoS Attacks Based on Decision Trees Model Using Intrusion Detection System
Nov 2012
Now-a-days, as information systems are more open to the Internet, the importance of secure networks is tremendously increased. Distributed Denial-of-Service (DDoS) attacks are a critical threat to...
Provided by IJCSMR
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Whitepapers
Intrusion Detection System Against Denial of Service Attack
Nov 2012
Intrusion detection is the process of monitoring the events occurring in a computer system or network and analyzing them for signs of intrusions. In this paper, the authors have presented a new...
Provided by IJCSMR
-
White Papers
Privacy Preserving Spam Filtering
Feb 2011
This paper presents an approach to training a binary logistic regression classifier in the setting where the training data needs to be kept private. The authors provide a theoretical analysis of...
Provided by Association for Computing Machinery
-
White Papers
Improving Sensor Network Immunity Under Worm Attacks: A Software Diversity Approach
May 2008
Because of cost and resource constraints, sensor nodes do not have a complicated hardware architecture or operating system to protect program safety. Hence, the notorious buffer-overflow...
Provided by Association for Computing Machinery
-
White Papers
Unified Declarative Platform for Secure Networked Information Systems
Oct 2008
The authors present a unified declarative platform for specifying, implementing, and analyzing secure networked information systems. The work builds upon techniques from logic-based trust...
Provided by University of Pennsylvania
-
White Papers
Evaluating the Vulnerability of Network Mechanisms to Sophisticated DDoS Attacks
Jan 2008
The design of computer and communication systems has been based, for decades, on the fundamental assumption that the objective of all users is to improve their own performance. In recent years the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
DoS-Resistant Broadcast Authentication Protocol With Low End-to-End Delay
Mar 2008
In mission-critical networks, command, alerts, and critical data are frequently broadcast over wireless networks. Broadcast traffic must be protected from malicious attacks, wherein sources are...
Provided by University of Illinois at Urbana-Champaign
-
White Papers
Slicing Spam With Occam's Razor
Aug 2007
To evade blacklisting, the vast majority of spam email is sent from exploited MTAs (i.e., Botnets) and with forged "From" addresses. In response, the anti-spam community has developed a number of...
Provided by University of California, San Diego
-
White Papers
Large-Scale Malware Indexing Using Function-Call Graphs
Nov 2009
A major challenge of the Anti-Virus (AV) industry is how to effectively process the huge influx of malware samples they receive every day. One possible solution to this problem is to quickly...
Provided by Association for Computing Machinery
-
White Papers
Automatic Generation of String Signatures for Malware Detection
Jun 2009
Scanning les for signatures is a proven technology, but exponential growth in unique malware programs has caused an explosion in signature database sizes. One solution to this problem is to use...
Provided by Symantec
-
White Papers
Automating Analysis of Large-Scale Botnet Probing Events
Mar 2009
Botnets dominate today's attack landscape. This work investigates ways to analyze collections of malicious probing traffic in order to understand the significance of large-scale "Botnet probes"....
Provided by Association for Computing Machinery
-
White Papers
Exact Modeling of Propagation for Permutation-Scanning Worms
Jan 2008
Modeling worm propagation has been an important research subject in the Internet-worm research community. An accurate analytical propagation model allows studying the spreading speed and traffic...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Drivers of Information Security Search Behavior: An Investigation of Network Attacks and Vulnerability Disclosures
Nov 2010
More and more people use search engines to seek for various information. This study investigates the search behavior that drives the search for information security knowledge via a search engine....
Provided by University at Buffalo
-
White Papers
Intrusion Detection System to Detect Wormhole Using Fault Localization Techniques
Oct 2007
In this paper, the authors present a strategy to detect an intrusion using fault localization tools. They propose an intrusion detection system to detect a self-contained in-band wormhole attack...
Provided by University of Delaware
-
White Papers
A Case for Unsupervised-Learning-Based Spam Filtering
Jun 2010
Traditional content-based spam filtering systems rely on supervised machine learning techniques. In the training phase, labeled email instances are used to build a learning model (e.g., a Naive...
Provided by Association for Computing Machinery
-
White Papers
Protecting the Access Network: Efficient Algorithms for Survivable Topology
Feb 2008
It is important to prevent access network from bottlenecking the end-to-end survivability, especially as voice, video, and data traffic are all delivered through the same access network. With...
Provided by Princeton University
-
White Papers
How Bad Is Suboptimal Rate Allocation?
Jan 2008
A rate allocation that is suboptimal with respect to a utility maximization formulation still maintains the maximum flow-level stability when the utility gap is sufficiently small, and provides a...
Provided by Princeton University
-
White Papers
Investigation of Triangular Spamming: A Stealthy and Efficient Spamming Technique
Mar 2010
Spam is increasingly accepted as a problem associated with compromised hosts or email accounts. This problem not only makes the tracking of spam sources difficult but also enables a massive amount...
Provided by University of Michigan
-
White Papers
On Network-Level Clusters for Spam Detection
Mar 2010
IP-based blacklist is an effective way to filter spam emails. However, building and maintaining individual IP addresses in the blacklist is difficult, as new malicious hosts continuously appear...
Provided by University of Michigan
-
White Papers
Botnet Spam Campaigns Can Be Long Lasting: Evidence, Implications, and Analysis
Jun 2009
Accurately identifying spam campaigns launched by a large number of bots in a botnet allows for accurate spam campaign signature generation and hence is critical to defeating spamming botnets. The...
Provided by Association for Computing Machinery
-
White Papers
Peeking Into Spammer Behavior From a Unique Vantage Point
Apr 2008
Understanding the spammer behavior is a critical step in the long-lasting battle against email spams. Previous studies have focused on setting up honeypots or email sinkholes containing...
Provided by University of Michigan
-
White Papers
MIDAS: An Impact Scale for DDoS Attacks
Jan 2011
The authors usually have well-defined classification scales to estimate the intensity and impact of natural disasters. Prominent examples are the Richter and the Fujita scales for measuring...
Provided by University of Michigan
-
White Papers
Weeding Spammers at the Root: A Precise Approach to Spam Reduction
Jul 2008
Email spam has become one of the most critical threats affecting Internet user experiences. Existing anti-spam techniques, such as spam filters and reputation systems, face growing difficulties...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Detection of Low-Rate Attacks in Computer Networks
Jul 2008
This paper develops two parametric methods to detect low-rate denial-of-service attacks and other similar near-periodic traffic, without the need for flow separation. The first method, the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Aggregate-Based Congestion Control
Jan 2011
Recent events have illustrated the Internet's vulnerability to both Denial of Service (DoS) attacks and flash crowds in which links (or servers) in the network become severely congested. In both...
Provided by AT&T Labs
-
White Papers
Stronger Difficulty Notions for Client Puzzles and Denial-of-Service-Resistant Protocols
Dec 2010
Client puzzles are meant to act as a defense against Denial of Service (DoS) attacks by requiring a client to solve some moderately hard problem before being granted access to a resource. However,...
Provided by Queensland University of Technology
-
White Papers
Understanding Forgery Properties of Spam Delivery Paths
Jun 2010
It is well known that spammers can forge the header of an email, in particular, the trace information carried in the Received: fields, as an attempt to hide the true origin of the email. Despite...
Provided by Florida State University
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White Papers
Behavioral Characteristics of Spammers and Their Network Reachability Properties
Jan 2011
The majority of earlier studies on the email spam have focused on the contents of email messages so as to distinguish spam messages from legitimate ones. However, there is a growing realization in...
Provided by Florida State University
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White Papers
Probabilistic Modeling and Analysis of DoS Protection for the ASV Protocol
Sep 2008
The Adaptive Selective Verification (ASV) protocol was recently proposed as an effective and efficient DoS countermeasure within the shared channel model, in which clients and attackers...
Provided by University of Illinois at Urbana Champaign
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White Papers
Knowing Where Your Input Is From: Kernel-Level Data-Provenance Verification
Apr 2010
This paper describes a cryptographic provenance verification approach for ensuring system properties and system-data integrity at kernel-level. Its two concrete applications are demonstrated in...
Provided by Virginia Tech
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White Papers
Poster: CompareView - A Provenance Verification Framework for Detecting Rootkit-Based Malware
Apr 2009
Using rootkit mechanisms to hide malware presence is pervasive in today's computer attacks. This paper proposes the CompareView framework, a host-based solution to detect stealthy outbound traffic...
Provided by Rutgers University
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White Papers
User-Assisted Host-Based Detection of Outbound Malware Traffic
Oct 2009
Conventional network security solutions are performed on network layer packets using statistical measures. These types of traffic analysis may not catch stealthy attacks carried out by today's...
Provided by Rutgers University
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White Papers
Controlling IP Spoofing Based DDoS Attacks Through Inter-Domain Packet Filters
Jan 2011
The Distributed Denial of Services (DDoS) attack is a serious threat to the legitimate use of the Internet. Prevention mechanisms are thwarted by the ability of attackers to forge, or spoof, the...
Provided by Florida State University
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White Papers
Exploiting Machine Learning to Subvert Your Spam Filter
Apr 2008
Using statistical machine learning for making security decisions introduces new vulnerabilities in large scale systems. This paper shows how an adversary can exploit statistical machine learning,...
Provided by University of California, Berkeley
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White Papers
Going Mini: Extreme Lightweight Spam Filters
Jun 2009
In this paper, the authors set out to determine if effective mini-filters could be trained for email spam filtering, using a drastically reduced feature set. The experimental results presented...
Provided by University of Waterloo
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White Papers
RAD: Reflector Attack Defense Using Message Authentication Codes
Sep 2009
Reflector attacks are a variant of denial-of-service attacks that use unwitting, legitimate servers to flood a target. The attacker spoofs the target's address in legitimate service requests, such...
Provided by University of California
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White Papers
Monitor Dependent Intrusion Detection Technique for Mobile Ad Hoc Networks
Nov 2009
This paper presents an intrusion detection mechanism that uses collaborative efforts of the nodes in a neighborhood to detect aberrant behavior in a mobile ad hoc network. A node showing this kind...
Provided by Academy Publisher
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White Papers
TrackBack Spam: Abuse and Prevention
Nov 2009
Contemporary blogs receive comments and TrackBacks, which result in cross-references between blogs. The authors conducted a longitudinal study of TrackBack spam, collecting and analyzing almost 10...
Provided by Association for Computing Machinery
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White Papers
On the Effectiveness of IP Reputation for Spam Filtering
Jan 2010
Modern SMTP servers apply a variety of mechanisms to stem the volume of spam delivered to users. These techniques can be broadly classified into two categories: pre-acceptance approaches, which...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Don't Follow Me: Spam Detection in Twitter
Apr 2010
The rapidly growing social network Twitter has been infiltrated by large amount of spam. In this paper, a spam detection prototype system is proposed to identify suspicious users on Twitter. A...
Provided by Pennsylvania State University
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White Papers
Spamology: A Study of Spam Origins
Jun 2009
The rise of spam in the last decade has been staggering, with the rate of spam exceeding that of legitimate email. While conjectures exist on how spammers gain access to email addresses to spam,...
Provided by Indiana University
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White Papers
A Co-Classification Framework for Detecting Web Spam and Spammers in Social Media Web Sites
Nov 2009
Social media are becoming increasingly popular and have attracted considerable attention from spammers. Using a sample of more than ninety thousand known spam Web sites, the authors found between...
Provided by Association for Computing Machinery
