http://www.networkworld.com/topics/firewalls.html The latest firewall news, analysis and reviews on NetworkWorld.com. Network World, Inc. Copyright(C) 1994 - 2009 Network World, Inc. http://www.networkworld.com/news/2009/112309-11-security-tips-for-black.html This holiday shopping season, IT and physical security practitioners have the tough task of protecting customer data and preventing shoplifting. Here are 11 tips to bring sanity to the process. Bill Brenner 2009-11-23T12:00:00-04:00 http://www.networkworld.com/news/2009/112309-critical-zero-day-flaw-opens-holes.html A newly discovered threat that doesn't yet have any patch can allow for a Web-based attack against up-to-date Internet Explorer 6 and 7 browsers, according to security companies. Erik Larkin 2009-11-23T12:00:00-04:00 http://www.networkworld.com/news/2009/112309-pros-and-cons-of-windows.html The recently released Microsoft Security Intelligence Report highlights the vast improvements in security from Windows XP to Windows 7. Even so, no operating system is perfect. I asked security experts what they think about Windows 7 security and came up with a list of what Microsoft got right and where Microsoft is still missing the mark. Tony Bradley 2009-11-23T12:00:00-04:00 http://www.networkworld.com/news/2009/112309-de-worm-your.html So you jailbroke your iPhone. Maybe you wanted to try out some of the third party apps. Maybe you just wanted to tweak your interface. Either way, you did it without changing your root password. Now you're helplessly staring at a picture of Rick Astley, thanks to one of the new iPhone worms that are running wild--or worse, your personal information, including online banking data, could be compromised. Here's how you can figure out which worms your iPhone might have, get rid of them, and ensure that they don't come back. Patrick Miller 2009-11-23T12:00:00-04:00 http://www.networkworld.com/news/2009/111709-merchants-caught-in-middle-of.html Tens of thousands of customers of Heartland Payment Systems are finding themselves caught in the middle of an escalating war between the payment processing vendor and point-of-sale terminal vendor VeriFone Inc. Jaikumar Vijayan 2009-11-17T12:00:00-04:00 http://www.networkworld.com/news/2009/111709-the-cloud-security-survival.html For companies increasingly dependent on cloud services, security challenges abound. Here's a collection of articles, columns and audio to help IT security practitioners plot the right course. Bill Brenner 2009-11-17T12:00:00-04:00 http://www.networkworld.com/news/2009/111609-network-and-security-operations.html Bringing network and security ops under one roof is translating into more efficiency and increased security for IT management and consulting firm American Systems Joan Goodchild 2009-11-16T12:00:00-04:00 http://www.networkworld.com/news/2009/111609-ms-provides-guidance-on-windows.html Microsoft has acknowledged the Windows 7 zero-day vulnerability reported last week with a Security Advisory. The advisory from Microsoft provides some additional details about the scope and nature of the threat, as well as some steps you can take immediately to protect vulnerable systems. Tony Bradley 2009-11-16T12:00:00-04:00 http://www.networkworld.com/news/2009/111209-protect-your-pcs-from-windows.html It was a notable accomplishment when Windows 7 was not impacted in any way by the vulnerabilities addressed in the six Security Bulletins released by Microsoft for the November Patch Tuesday. It would be even more impressive if Windows 7 proved invulnerable to the zero-day exploit that hit the next day. Tony Bradley 2009-11-12T12:00:00-04:00 http://www.networkworld.com/news/2009/111209-web-site-security-holes-make.html Two-thirds of the sites that tend to care most about security still have serious unfixed vulnerabilities, according to an analysis from web security firm WhiteHat Security. Erik Larkin 2009-11-12T12:00:00-04:00