• Facebook Invasion: Beware of New 'Smart' Worm

  
  Hot on the heels of a reported hijacking of hundreds of Facebook groups, a new variation on an old worm is crawling its way into the social network's walls.

• Google's Free Airport Wi-Fi: Five Ways to Protect Yourself

  
  Free Wi-Fi while waiting for your flight sounds like a nice holiday gift, but public hotspots can be insecure. Follow these security tips to keep away hackers and humbugs.
• The PC World 100: Best Products of 2009
• Top 5 Social Engineering Exploit Techniques
• Thanks Google, But Airport Wi-Fi Should Always Be Free
• Windows 7 Flaw Confirmed
• How to Deny Service to a Federal Wiretap
• Kaspersky Unveils Antivirus for Mac
• Microsoft Investigating Windows 7 SMB Crash Bug
• Spam Worm Targets Twitter

Security How-Tos

• How to Automate Windows 7 Backups How to set up and automate backups in Windows 7.
• Protect Your Privacy on Facebook and Twitter Here's how to safeguard your identity and your personal data in the age of the social Web.
• Which Updates Should I Install? When Dick McGraw checks Windows Update, he wonders which patches he should download and install
• What is Antivirus 2010? Lonerlady asked the Answer Line forum about this very insistent program
• Turn an Old Floppy Into a Password Safe If you're handy with a glue stick, you can put an unused 3.5-inch disk to good use as a "fake rock."

Security News

• Windows 7 Flaw Confirmed Microsoft has confirmed the first Windws 7 zero-day vulnerability and promises patch.
• Microsoft Investigating Windows 7 SMB Crash Bug Exploit code is publicly available for the denial-of-service flaw in Windows 7 and Server 2008.
• Kaspersky Unveils Antivirus for Mac It is wrong to think that a Mac operating system is safe from malware.
• Top 5 Social Engineering Exploit Techniques Learn to pwn humans for fun and profit -- or simply learn these techniques so you can avoid being scammed.
• Spam Worm Targets Twitter Twitter users must cope with a new attack based on spam messages that open sites to identity theft.

Security Playing in PCW Video

• 
  How to Automate Windows 7 Backups How to set up and automate backups in Windows 7.
• 
  Digital Demolition: Hard Drive vs. Flame Thrower! The ioSafe external hard drive is designed to withstand home catastrophes such as floods and fires. But can it survive the 3000-degree fire cannon?
• 
  World Tech Update: Hackers, the myTouch 3G, and Taylor Swift Gets Scanned Defcon attendees hack their badges, T-Mobile's myTouch 3G arrives in San Francisco and Taylor Swift lends her body to Activision.

Security Reviews

• Clamwin Free Antivirus Software This open-source antivirus software fails to get the job done, with disappointing malware detection and no real-time scanning.
• AVG 8.5 Free Antivirus Software Though AVG 8.5 Free has a good, straightforward interface and useful blocking of Web-based attacks, its malware blocking is below average.
• Microsoft Security Essentials (Beta) Free Antivirus Software An effective but somewhat slow utility, Microsoft Security Essentials will be a solid contender when it comes out of beta around the end of 2009.
• Panda Cloud Antivirus (Beta) Free Software Panda Cloud Antivirus provides great protection in an easy-to-use application, but it's still too deep in development to recommend.
• Alwil Avast Antivirus Home Edition Free Antivirus Software Avast Antivirus Home Edition provides solid antimalware protection and a good set of features, but its outdated interface needs a makeover.