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CrowdStrike CEO George Kurtz was CTO of McAfee when McAfee had a similar global meltdown in 2010


Oops, they did it again. Early this morning, McAfee released an update to its antivirus definitions for corporate customers that mistakenly deleted a crucial Windows XP file, sending systems into a reboot loop and requiring tedious manual repairs. It's not the first strike for the company, either. I've got details.

Corporate customers are likely to tally up the one-day cost of fixing this damage (or multiple days, if Engadget's report of tens of thousands of affected PCs within single companies is accurate), and they're likely conclude that it's time to find a new supplier of security software. Update 2: An e-mail correspondent from a large U.S. company (see full text at end of this post) says that multiple files in addition to Svchost.exe mght be affected and claims that simply replacing Svchost.exe might not be enough to repair the damage. Back in 2009, when the Conficker worm was making the rounds, I took a close look at how McAfee was handling its response to the new threat and was appalled at the sloppy, error-ridden documents they published for consumers and IT professionals.

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