Rootkits are a serious threat. Rootkit-based botnets unleash seas of spam, and the most dangerous rootkits allow attackers to steal corporate and individual financial information. In this IT Dojo video, Bill Detwiler covers five things you should know about rootkits in order to keep your network safe and malware free.

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Bill Detwiler explains why San Francisco administrator's refusal to turn over network passwords amounted to "hijacking" and, why the experience reminds IT employees that they don’t "own" their employer's network.

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Whether it's through consolidating a data center, deploying software appliances or streaming applications, virtualization will bring dramatic change to IT over the next decade. In this IT Dojo video, Bill Detwiler discusses five things you should know before going too deep down the virtualization rabbit hole.

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Windows XP sometimes gets stuck in Update mode, even after you've applied your patches. In this IT Dojo video, Bill Detwiler shows you how to get rid of those annoying yellow shields that Windows sticks in your system tray after an update gets stuck.

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Windows Vista includes a powerful, but hidden utility, called Robocopy that makes backing up files a snap. In this IT Dojo video, Bill Detwiler shows you how to access Robocopy and how to create a custom command-line script that backs up files to an external hard drive.

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Troubleshooting slow Windows XP machines is a common task, and many culprits are obvious--insufficient RAM and running unneeded applications at startup. If you rule those out, adjusting XP's Performance Options may help. In this IT Dojo video, Bill Detwiler offers several tweaks to speed up Windows XP.

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According to Gartner analyst Thomas Bittman, virtualization will fundamentally change the relationship IT has with other parts of the business. Bill Detwiler agrees with Bittman's overall analysis, but believes there are a few caveats and additional considerations IT organizations need to consider.

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This week, I’ll be attending Gartner’s Symposium/ITxpo 2008 in Orlando, Florida. Jason Hiner, TechRepublic Editor-in-Chief, and Larry Dignan, ZDNet Editor-in-Chief, will also be covering the event. Gartner expects nearly 6,000 attendees to attend the event’s keynotes, presentations, one-on-one meetings with Gartner analysts, and the expo show floor. I’ll be gathering information on three critical IT [...]

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The arrest of a network administrator who hijacked the city of San Francisco's network brought attention to a dangerous and often ignored threat--your own admins. In this IT Dojo video, Bill Detwiler discusses security practices to protect company secrets from the very people who should be keeping them safe.

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With ISPs, such as Comcast and Time Warner, metering or limiting bandwidth, your users, particularly telecommuters, may soon need a way to monitor their Internet usage. In a CNET TV's Insider Secrets, Brian Tong discussed two free bandwidth monitors--BitMeter for Windows and SurplusMeter for OS X.

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