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Association for Computing Machinery
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Spamming Botnets: Signatures and Characteristics
August 22, 2008, 12:00am PDT
This paper focuses on characterizing spamming botnets by leveraging both spam payload and spam server traffic properties. Towards this goal, it developed a spam signature generation framework...
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Improved Spam Filtering by Extraction of Information From Text Embedded Image e-Mail
March 12, 2009, 12:00am PDT
The increase of image spam, a kind of spam in which the text message is embedded into an attached image to defeat spam filtering techniques, is becoming an increasingly major problem.. For nearly...
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Online Spam-Blog Detection Through Blog Search
October 30, 2008, 12:00am PDT
This paper proposes a novel post-indexing spam-blog (or splog) detection method, which capitalizes on the results returned by blog search engines. More specifically, they analyze the search...
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Robust PageRank and Locally Computable Spam Detection Features
April 22, 2008, 12:00am PDT
Since the link structure of the web is an important element in ranking systems on search engines, web spammers widely use the link structure of the web to increase the rank of their pages. Various...
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Web Spam Challenge Proposal for Filtering in Archives
April 21, 2009, 12:00am PDT
This paper proposes new tasks for a possible future Web Spam Challenge motivated by the needs of the archival community. The Web archival community consists of several relatively small...
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Web Spam Filtering in Internet Archives
April 21, 2009, 12:00am PDT
While Web spam is targeted for the high commercial value of top-ranked search-engine results, Web archives observe quality deterioration and resource waste as a side effect. So far Web spam...
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Stealthy Video Capturer: A New Video-Based Spyware in 3G Smartphones
March 18, 2009, 12:00am PDT
This paper investigates video-based vulnerabilities in 3G Smartphones. Particularly, it designed a new video-based spyware, called Stealthy Video Capturer (SVC). SVC can secretly record video...
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Zero Reconciliation Secret Key Generation for Body-Worn Health Monitoring Devices
April 18, 2012, 12:00am PDT
Wearable wireless sensor devices are key components in the emerging technology of personalized healthcare monitoring. Medical data collected by these devices must be secured, especially on the...
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Improving Secret Key Generation Performance for On-Body Devices
November 8, 2011, 12:00am PST
In this paper, the authors undertake experiments to assess the feasibility of generating common secret keys between two body-worn devices using the near-body channel. Deriving secret keys using...
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OpenRadio: A Programmable Wireless Dataplane
July 13, 2012, 12:00am PDT
The authors present OpenRadio, a novel design for a programmable wireless dataplane that provides modular and declarative programming interfaces across the entire wireless stack. Their key...
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Understanding Bufferbloat in Cellular Networks
August 13, 2012, 12:00am PDT
Bufferbloat is a prevalent problem in the Internet where excessive buffers incur long latency, substantial jitter and sub-optimal throughput. This paper provides the first elaborative...
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Characterizing Data Usage Patterns in a Large Cellular Network
August 13, 2012, 12:00am PDT
Using heterogeneous data sources collected from one of the largest 3G cellular networks in the US over three months, in this paper, the authors investigate the usage patterns of mobile data users....
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Understanding the Characteristics of Cellular Data Traffic
August 13, 2012, 12:00am PDT
Because of rapidly growing subscriber populations, advances in cellular communication technology, increasingly capable user terminals, and the expanding range of mobile applications, cellular...
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Making Use of All the Networks Around Us: A Case Study in Android
August 13, 2012, 12:00am PDT
Poor connectivity is common when the authors use wireless networks on the go. A natural way to tackle the problem is to take advantage of the multiple network interfaces on their mobile devices,...
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Casting Doubts on the Viability of WiFi Offloading
July 13, 2012, 12:00am PDT
With the advent of the Smartphone, mobile data usage has exploded which in turn has created tremendous pressure on cellular data networks. A promising candidate to reduce the impact of cellular...
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Poultry Markets: On the Underground Economy of Twitter Followers
August 17, 2012, 12:00am PDT
Since Twitter has emerged as one of the easiest ways of reaching people, companies started using it to advertise their products. However, creating a functional network of followers to whom to...
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A Workflow for Differentially-Private Graph Synthesis
August 17, 2012, 12:00am PDT
The authors present a new workflow for differentially-private publication of graph topologies. First, they produce differentially private measurements of interesting graph statistics using their...
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Far From the Eyes, Close on the Web: Impact of Geographic Distance on Online Social Interactions
August 17, 2012, 12:00am PDT
Online friendship connections are often not representative of social relationships or shared interest between users, but merely provide a public display of personal identity. A better picture of...
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Coarse-Grained Topology Estimation Via Graph Sampling
August 17, 2012, 12:00am PDT
In many online networks, nodes are partitioned into categories (e.g., countries or universities in OSNs), which naturally defines a weighted category graph i.e., a coarse-grained version of the...
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The Importance of Being Placefriends: Discovering Location-Focused Online Communities
May 17, 2012, 12:00am PDT
Discovering groups of online friends who go to the same physical places has numerous potential applications including privacy management, friend recommendation, and contact grouping as in Google+...
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Shortest Paths in Less Than a Millisecond
August 17, 2012, 12:00am PDT
The authors consider the problem of answering point-to-point shortest path queries on massive social networks. The goal is to answer queries within tens of milliseconds while minimizing the memory...
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Navigation Characteristics of Online Social Networks and Search Engines Users
August 17, 2012, 12:00am PDT
Online Social Networks (OSNs) represent a significant portion of Web traffic today, comparable with search engines. Even though their primary purpose is different from that of search engines, OSNs...
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Keeping Information Safe From Social Networking Apps
August 17, 2012, 12:00am PDT
The ability of third-party applications to aggregate and re-purpose personal data is a fundamental privacy weakness in today's social networking platforms. Prior work has pro-posed sandboxing in a...
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Inferring Who-Is-Who in the Twitter Social Network
August 17, 2012, 12:00am PDT
In this paper, the authors design and evaluate a novel who-is-who service for inferring attributes that characterize individual Twitter users. Their methodology exploits the lists feature, which...
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Transformation Rule Discovery Through Data Mining
August 30, 2008, 12:00am PDT
Data-intensive software programs typically transform a set of source data values into target data values. While the group of developers who write, compile and test the software or the query have a...
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Using Data Mining and Recommender Systems to Scale Up the Requirements Process
May 11, 2008, 12:00am PDT
Ultra-Large-Scale (ULS) software systems' projects are anticipated to be highly complex and to involve thousands, or even hundreds of thousands of stakeholders. Unfortunately numerous accounts of...
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Issues in Applying Data Mining to Grid Job Failure Detection and Diagnosis
June 27, 2008, 12:00am PDT
As grid computation systems become larger and more complex, manually diagnosing failures in jobs becomes impractical. Recently, machine-learning techniques have been proposed to detect a variety...
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Sustainable Operation and Management of Data Center Chillers Using Temporal Data Mining
July 1, 2009, 12:00am PDT
Data centers are a critical component of modern IT infrastructure but are also among the worst environmental offenders through their increasing energy usage and the resulting large carbon...
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Assessing Data Mining Results Via Swap Randomization
December 1, 2007, 12:00am PST
The problem of assessing the significance of data mining results on high-dimensional 0 - 1 datasets has been studied extensively in the literature. For problems such as mining frequent sets and...
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Data Mining-Based Fragmentation of XML Data Warehouses
November 5, 2008, 12:00am PST
With the multiplication of XML data sources, many XML data warehouse models have been proposed to handle data heterogeneity and complexity in a way relational data warehouses fail to achieve....
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WaterCooler: Exploring an Organization Through Enterprise Social Media
May 13, 2009, 12:00am PDT
As organizations scale up, their collective knowledge increases, and the potential for serendipitous collaboration between members grows dramatically. However, finding people with the right...
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PermaDAQ: A Scientific Instrument for Precision Sensing and Data Recovery in Environmental Extremes
April 16, 2009, 12:00am PDT
The PermaSense project has set the ambitious goal of gathering real-time environmental data for high-mountain permafrost in unattended operation over multiple years. This paper discusses the...
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Migrating Server Storage to SSDs: Analysis of Tradeoffs
April 3, 2009, 12:00am PDT
Recently, flash-based Solid-State Drives (SSDs) have become standard options for laptop and desktop storage, but their impact on enterprise server storage has not been studied. Provisioning server...
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VL2: A Scalable and Flexible Data Center Network
August 21, 2009, 12:00am PDT
To be agile and cost effective, data centers should allow dynamic resource allocation across large server pools. In particular, the data center network should enable any server to be assigned to...
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Change Is Hard: Adapting Dependency Graph Models for Unified Diagnosis in Wired/Wireless Networks
August 21, 2009, 12:00am PDT
Organizations world-wide are adopting wireless networks at an impressive rate, and a new industry has sprung up to provide tools to manage these networks. Unfortunately, these tools do not...
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CAFE: A Configurable PAcket Forwarding Engine for Data Center Networks
August 21, 2009, 12:00am PDT
Recently, Data Center Networking (DCN) has attracted many research attentions and innovative DCN designs have been proposed. All these designs need specialized packet forwarding engines due to...
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White Space Networking With Wi-Fi Like Connectivity
August 21, 2009, 12:00am PDT
Networking over UHF white spaces is fundamentally different from conventional Wi-Fi along three axes: spatial variation, temporal variation, and fragmentation of the UHF spectrum. Each of these...
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Why Should We Integrate Services, Servers, and Networking in a Data Center?
August 21, 2009, 12:00am PDT
Since the early days of networks, a basic principle has been that endpoints treat the network as a black box. An end-point injects a packet with a destination address and the network delivers the...
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Buffer Management for Colored Packets With Deadlines
August 13, 2009, 12:00am PDT
The paper considers buffer management of unit packets with deadlines for a multi-port device with reconfiguration overhead. The goal is to maximize the throughput of the device, i.e., the number...
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Understanding Data Center Traffic Characteristics
August 21, 2009, 12:00am PDT
As data centers become more and more central in Internet communications, both research and operations communities have begun to explore how to better design and manage them. This paper presents a...
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Robust Detection of Comment Spam Using Entropy Rate
October 19, 2012, 12:00am PDT
In this paper, the authors design a method for blog comment spam detection using the assumption that spam is any kind of uninformative content. To measure the "Informativeness" of a set of blog...
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Reducing Attack Surfaces for Intra-Application Communication in Android
October 19, 2012, 12:00am PDT
The complexity of Android's message-passing system has led to numerous vulnerabilities in third-party applications. Many of these vulnerabilities are a result of developer's confusing...
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Towards Verifiable Resource Accounting for Outsourced Computation
March 17, 2013, 12:00am PDT
Outsourced computation services should ideally only charge customers for the resources used by their applications. Unfortunately, no verifiable basis for service providers and customers to...
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Cut Me Some Security!
October 4, 2010, 12:00am PDT
Computer security is currently fraught with fine-grained access control policies, in operating systems, applications and even programming languages. This entire policy configuration means that too...
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Integrity Walls: Finding Attack Surfaces From Mandatory Access Control Policies
May 4, 2012, 12:00am PDT
Adding new programs or configuration options to a system often leads to new exploits because it provides adversaries with new ways to access possible vulnerabilities. As a result, application...
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Process Firewalls: Protecting Processes During Resource Access
April 17, 2013, 12:00am PDT
Processes retrieve a variety of resources from the operating system in order to execute properly, but adversaries have several ways to trick processes into retrieving resources of the adversaries'...
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Innocent by Association: Early Recognition of Legitimate Users
October 18, 2012, 12:00am PDT
This paper presents the design and implementation of Souche, a system that recognizes legitimate users early in online services. This early recognition contributes to both usability and security....
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Collaborative Tcp Sequence Number Inference Attack - How to Crack Sequence Number Under a Second
October 18, 2012, 12:00am PDT
In this paper, the authors discover a new class of unknown side channels "Sequence-number-dependent" host packet counters - that exist in Linux/Android and BSD/Mac OS to enable TCP sequence number...
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Screen-Off Traffic Characterization and Optimization in 3G/4G Networks
November 16, 2012, 12:00am PST
Today's cellular systems operate under diverse resource constraints: limited frequency spectrum, network processing capability, and handset battery life. The authors consider a novel and important...
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Cloud Transcoder: Bridging the Format and Resolution Gap Between Internet Videos and Mobile Devices
June 8, 2012, 12:00am PDT
Despite its increasing popularity, Internet video streaming to mobile devices faces many challenging issues. One such issue is the format and resolution "Gap" between Internet videos and mobile...
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Advancing the State of Mobile Cloud Computing
June 25, 2012, 12:00am PDT
The capabilities of mobile devices have been improving very quickly in terms of computing power, storage, feature support, and developed applications. However, these mobile applications are still...
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Argos: Practical Many-Antenna Base Stations
August 26, 2012, 12:00am PDT
Multi-user multiple-input multiple-output theory predicts many fold capacity gains by leveraging many antennas on wireless base stations to serve multiple clients simultaneously through multi-User...
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Optimally Balancing Energy Consumption Versus Latency in Sensor Network Routing
January 1, 2013, 12:00am PST
The authors consider wireless sensor networks with nodes switching ON (awake) and OFF (sleeping) to preserve energy and transmitting data over channels with varying quality. The objective is to...
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Statistical Anomaly Detection With Sensor Networks
May 21, 2010, 12:00am PDT
The authors seek to detect statistically significant temporal or spatial changes in either the underlying process the sensor network is monitoring or in the network operation itself. These changes...
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Optimizing Warehouse Forklift Dispatching Using a Sensor Network and Stochastic Learning
May 20, 2011, 12:00am PDT
The authors report on a successful deployment of an inexpensive mobile wireless sensor network in a commercial warehouse served by a fleet of forklifts. The aim is to improve forklift dispatching...
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Robust and Distributed Stochastic Localization in Sensor Networks: Theory and Experimental Results
September 2, 2008, 12:00am PDT
The authors present a robust localization system allowing wireless sensor networks to determine the physical location of their nodes. The coverage area is partitioned into regions and they seek to...
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Bulk of Interest: Performance Measurement of Content-Centric Routing
August 17, 2012, 12:00am PDT
The paradigm of information-centric networking subsumes recent approaches to integrate content replication services into a future Internet layer. Current concepts foster either a dynamic mapping...
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Analysis of a "/0" Stealth Scan From a Botnet
November 16, 2012, 12:00am PST
Botnets are the most common vehicle of cyber-criminal activity. They are used for spamming, phishing, denial of service attacks, brute-force cracking, stealing private information, and cyber...
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Virtual Browser: A Virtualized Browser to Sandbox Third-Party JavaScripts With Enhanced Security
May 4, 2012, 12:00am PDT
Third party JavaScripts not only offer much richer features to the web and its applications but also introduce new threats. These scripts cannot be completely trusted and executed with the...
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DroidChameleon: Evaluating Android Anti-Malware Against Transformation Attacks
February 23, 2013, 12:00am PST
Mobile malware threats (e.g., on Android) have recently become a real concern. In this paper, the authors evaluate the state-of-the-art commercial mobile anti-malware products for Android and test...
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User-level Data Center Tomography
August 17, 2012, 12:00am PDT
Measurement and inference in data centers present a set of opportunities and challenges distinct from the Internet domain. Existing toolsets may be perturbed or be mislead by issues related to...
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Perfect Contextual Information Privacy in WSNs Under Colluding Eavesdroppers
April 19, 2013, 12:00am PDT
The authors address the problem of preserving contextual information privacy in Wireless Sensor Networks (WSNs). They consider an adversarial network of colluding eavesdroppers that are placed at...
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On the Feasibility of Launching the Man-in-the-Middle Attacks on VoIP From Remote Attackers
March 12, 2009, 12:00am PDT
The Man-In-The-Middle (MITM) attack has been shown to be one of the most serious threats to the security and trust of existing VoIP protocols and systems. For example, the MITM who is in the VoIP...
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RiskRanker: Scalable and Accurate Zero-Day Android Malware Detection
June 29, 2012, 12:00am PDT
Smartphone sales have recently experienced explosive growth. Their popularity also encourages malware authors to penetrate various mobile marketplaces with malicious applications (or apps). These...
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Isolating Commodity Hosted Hypervisors with HyperLock
April 13, 2012, 12:00am PDT
Hosted hypervisors (e.g., KVM) are being widely deployed. One key reason is that they can effectively take advantage of the mature features and broad user bases of commodity operating systems....
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Probabilistic Relational Reasoning for Differential Privacy
January 27, 2012, 12:00am PST
Differential privacy is a notion of confidentiality that protects the privacy of individuals while allowing useful computations on their private data. Deriving differential privacy guarantees for...
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Verifying Information Flow Properties of Hybrid Systems
April 11, 2013, 12:00am PDT
With incidents such as Stuxnet attacking SCADA systems, the security of embedded control systems has come to the limelight. One of the most fundamental security properties is confidentiality,...
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When Mobile Is Harder Than Fixed (and Vice Versa): Demystifying Security Challenges in Mobile Environments
February 22, 2010, 12:00am PST
Sophisticated consumer mobile devices continue to approach the capabilities and extensibility of traditional computing environments. Unfortunately, these new capabilities and applications make...
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Internet Inter-Domain Traffic
September 3, 2010, 12:00am PDT
In this paper, the authors examine changes in Internet inter-domain traffic demands and interconnection policies. They analyze more than 200 Exabytes of commercial Internet traffic over a two year...
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Internet Background Radiation Revisited
November 3, 2010, 12:00am PDT
The monitoring of packets destined for routeable, yet unused, Internet addresses has proved to be a useful technique for measuring a variety of specific Internet phenomenon (e.g., worms, DDoS). In...
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An Exploration of L2 Cache Covert Channels in Virtualized Environments
October 21, 2011, 12:00am PDT
Recent exploration into the unique security challenges of cloud computing have shown that when virtual machines belonging to different customers share the same physical machine, new forms of...
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CluB: A Cluster Based Framework for Mitigating Distributed Denial of Service Attacks
March 25, 2011, 12:00am PDT
Distributed Denial of Service (DDoS) attacks are threats not only for the direct targets but also for the core of the network. They are also hard to detect in advance, hence methods to deal with...
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Thwarting Real-Time Dynamic Unpacking
March 31, 2011, 12:00am PDT
Packing is a very popular technique for obfuscating programs, and malware in particular. In order to successfully detect packed malware, dynamic unpacking techniques have been proposed in...
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On Collection of Large-Scale Multi-Purpose Datasets on Internet Backbone Links
April 10, 2011, 12:00am PDT
The authors have collected several large-scale datasets in a number of passive measurement projects on an Internet backbone link belonging to a national university network. The datasets have been...
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BURN: Baring Unknown Rogue Networks
July 20, 2011, 12:00am PDT
Manual analysis of security-related events is still a necessity to investigate non-trivial cyber attacks. This task is particularly hard when the events involve slow, stealthy and large-scale...
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FORECAST - Skimming Off the Malware Cream
December 9, 2011, 12:00am PST
To handle the large number of malware samples appearing in the wild each day, security analysts and vendors employ automated tools to detect, classify and analyze malicious code. Because malware...
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A Quantitative Study of Accuracy in System Call-Based Malware Detection
July 20, 2012, 12:00am PDT
Over the last decade, there has been a significant increase in the number and sophistication of malware-related attacks and infections. Many detection techniques have been proposed to mitigate the...
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GPS Software Attacks
October 18, 2012, 12:00am PDT
Since its creation, the Global Positioning System (GPS) has grown from a limited purpose positioning system to a ubiquitous trusted source for positioning, navigation, and timing data. To date,...
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One Strategy Does Not Serve All: Tailoring Wireless Transmission Strategies to User Profiles
October 30, 2012, 12:00am PDT
The proliferation of Smartphones and tablet devices is changing the landscape of user connectivity and data access from predominantly static users to a mix of static and mobile users. While...
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Enabling Private Conversations on Twitter
December 7, 2012, 12:00am PST
User privacy has been an increasingly growing concern in Online Social Networks (OSNs). While most OSNs today provide some form of privacy controls so that their users can protect their shared...
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