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

submitted 4 months ago* (last edited 4 months ago) by Aatube@kbin.melroy.org to c/technology@lemmy.world

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…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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[-] OutsizedWalrus@lemmy.world 50 points 4 months ago

I’m not sure why you think this statement is so profound.

CrowdStrike is expected to have kernel level access to operate correctly. Kernel level exceptions cause these types of errors.

Windows handles exceptions just fine when code is run in user space.

This is how nearly all computers operate.

this post was submitted on 19 Jul 2024

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