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

submitted 3 months ago* (last edited 3 months ago) by Aatube@kbin.melroy.org to c/technology@lemmy.world

190 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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[–] Angry_Autist@lemmy.world 14 points 3 months ago (1 children)

From my experience it was more likely to be an accidental overwrite from human error with recent policy changes that removed vetting steps.