cyberthreats

Video

Security experts on next cyberwarfare steps

March 4, 2010 11:21am PST

At the RSA Conference in San Francisco, Michael Chertoff, former U.S. Secretary of Homeland Security, Richard Clarke, chairman of Good Harbor Consulting, and Marc Rotenberg, executive director of...

Blog Post

Is the infamous Waledac botnet out of the picture or not?

March 2, 2010 6:27am PST

Microsoft has made some claims about the Waledac botnet that contradict what botnet researchers feel is reality. Michael Kassner attempts to sort it out.

82 Latest comment by JCitizen

Blog Post

Fix slow workstations with this tune-up checklist

March 1, 2010 11:04am PST

Optimizing a slow-performing system requires a number of diagnostic and repair steps, often with interruptions along the way. This basic checklist will help you cover all the bases.

50 Latest comment by alexisgarcia72@...

Blog Post

QualysGuard Malware Detection allows free Web site scanning

March 1, 2010 6:39am PST

Keeping systems malware-free is a never-ending challenge. IT pro Rick Vanover shows how a new free tool can help you to protect your external Web servers.

7 Latest comment by 54f3com

White Papers

Behavior Profiling for Robust Anomaly Detection

February 26, 2010 12:00am PST

Internet attacks are evolving using evasion techniques such as polymorphism and stealth scanning. Conventional detection systems using signature-based and/or rule-based anomaly detection...

Provided by: National Taiwan University

Blog Post

The top 10 spam botnets: New and improved

February 25, 2010 11:54am PST

Latest reports have spam accounting for more than 95 percent of all email messages. You can thank botnets for most of that. Here's what we're up against.

187 Latest comment by JCitizen

Blog Post

Default passwords: Change them or Chuck Norris might

February 23, 2010 6:36am PST

Once again, cybercriminals are leveraging default passwords with malcode named after Chuck Norris. What's unusual is that the targets are not computers.

130 Latest comment by seanferd

Blog Post

10 essential items for onsite tech jobs

February 1, 2010 1:20pm PST

Save yourself the embarrassment and aggravation of discovering you don't have the tools you need when you arrive at a job site. With these basic items, you'll be ready for almost anything.

66 Latest comment by martinep1

White Papers

Passive Worm and Malware Detection in Peer-to-Peer Networks

February 1, 2010 12:00am PST

Today P2P networks are responsible for a large amount of traffic on the Internet, as many Internet users employ such networks for content distribution. At the same time, P2P networks are...

Provided by: Institute of Electrical and Electronics Engineers

Blog Post

Host lunch and learns to bolster client relationships

January 25, 2010 2:21pm PST

Erik Eckel explains why offering to lead lunch and learn presentations for your best IT consulting clients is a win-win proposition.

Blog Post

How antivirus software works: Is it worth it?

January 19, 2010 6:42am PST

Michael Kassner is frequently asked whether antivirus programs are worth the bother of employing. His typical response has been yes, but recently, he started to question that.

121 Latest comment by dogknees

Blog Post

Ransomware: Extortion via the Internet

January 11, 2010 9:45am PST

Ransomware got its start in 1989. Back then, it was relatively ineffective. That's changing, which is bad news for us.

205 Latest comment by JCitizen

Blog Post

How do I prevent phishing attacks in Firefox 3?

January 8, 2010 8:34am PST

Jack Wallen shows you how to prevent phishing attacks with extra preventative measures that you can add to Firefox.

11 Latest comment by TobyG

White Papers

A Malware Instruction Set for Behavior-Based Analysis

January 7, 2010 12:00am PST

The authors introduce a new representation for monitored behavior of malicious software called Malware Instruction SeT (MIST). The representation is optimized for effective and efficient analysis...

Provided by: University of Mannheim

Downloads

VIPRE® Antivirus + Antispyware Free Trial

January 1, 2010 12:00am PST

VIPRE Antivirus + Antispyware is high-performance antivirus software that doesn't slow down your PC like older, traditional security products. Old-style antivirus products have stacked layer...

Provided by: GFI Software, formerly Sunbelt Software

Blog Post

The hottest 10 Things downloads of 2009

December 21, 2009 10:08am PST

Cool tricks, free tools, and Windows 7 features took top billing in TechRepublic's downloads library this year. Here's a look at the most popular 10 Things lists of 2009.

7 Latest comment by kcommenter

Blog Post

Swarm Intelligence: Are digital ants the answer to malware?

December 1, 2009 6:38am PST

Modeling Nature may be the best way to solve the malware problem. Learn how digital ants could be the answer.

88 Latest comment by antonrosa

White Papers

Security in Dynamic Spectrum Access Systems: A Survey

December 1, 2009 12:00am PST

Dynamic Spectrum Access (DSA) systems are being developed to improve spectrum utilization. Most of the research on DSA systems assumes that the participants involved are honest, cooperative, and...

Provided by: Institute of Electrical and Electronics Engineers

Blog Post

Five security news items that should get your attention

November 24, 2009 6:33am PST

A mix of good and bad news caught Chad Perrin's eye in the second half of 2009. These are the five that he thinks you shouldn't miss.

13 Latest comment by JCitizen

Blog Post

10 Firefox extensions that enhance security

November 12, 2009 2:01pm PST

Compromising Web sites has become cybercriminals' favorite method of getting malware installed on computers. Here are 10 ways to beef-up Firefox, making it more difficult for the bad guys.

73 Latest comment by emgub