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CrowdStrike downtime apparently caused by update that replaced a file with 42kb of zeroes (twiiit.com)

submitted 5 months ago* (last edited 5 months ago) by [email protected] to c/technology

189 comments fedilink hide all child comments

…according to a Twitter post by the Chief Informational Security Officer of Grand Canyon Education.

So, does anyone else find it odd that the file that caused everything CrowdStrike to freak out, C-00000291-
00000000-00000032.sys was 42KB of blank/null values, while the replacement file C-00000291-00000000-
00000.033.sys was 35KB and looked like a normal, if not obfuscated sys/.conf file?

Also, apparently CrowdStrike had at least 5 hours to work on the problem between the time it was discovered and the time it was fixed.

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[–] [email protected] 14 points 5 months ago (1 children)

Thank God someone else said it. I was constantly in an existential battle with IT at my last job when they were constantly forcing updates, many of which did actually break systems we rely on because Apple loves introducing breaking changes in OS updates (like completely fucking up how dynamic libraries work).

Updates should be vetted. It's a pain in the ass to do because companies never provide an easy way to rollback, but this really should be standard practice.

[–] [email protected] 1 points 5 months ago

You can use AirWatch to deal with Apple devices. Although it is a clunky program it does at least give you the ability to roll things back.