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How CrowdStrike broke Windows computers everywhere. #mkbhd #waveformpodcast #microsoft

July 26, 2024 / 00:58

This episode discusses the recent incident involving CrowdStrike's Falcon software, which caused millions of computers to blue screen and led to thousands of flight cancellations.

The conversation covers how a software update from CrowdStrike, intended to enhance cybersecurity, resulted in a significant operational failure due to an out-of-bounds memory error. This error was not caught by the validation software.

Key points include the implications of CrowdStrike's software having special kernel access on Windows machines, which contributed to the widespread crashes. The need for physical reboots of servers is also highlighted as a reason for the prolonged downtime.

The episode reflects on the irony of this incident, comparing it to the Y2K scare, suggesting that the tech world faced a similar unexpected crisis 24 years later.

TL;DR

CrowdStrike's software update caused widespread computer crashes and flight cancellations due to a memory error.

Episode

0:58
00:00:00
remember last Friday when millions of
00:00:01
computers blue screen for hours
00:00:03
thousands of flights got cancelled and
00:00:05
most of the world just kind of took a
00:00:06
collective break that was all because of
00:00:08
a company called crowd strike a security
00:00:10
company that runs software on 298 of the
00:00:13
Fortune 500 companies last Friday crowd
00:00:16
strike's Falcon software which is meant
00:00:17
to spot and detect novel cyber security
00:00:19
threats pushed an update that made
00:00:21
millions of computers blue screen that's
00:00:23
because crowdstrike regularly pushes
00:00:25
minor software updates to that Falcon
00:00:27
software to detect from these threats at
00:00:29
operational speed but this time one of
00:00:31
those update packets had an outof bounds
00:00:32
memory error which actually failed to
00:00:34
get caught due to a bug in the
00:00:36
validation software that Falcon software
00:00:38
has special kernel access on Windows
00:00:40
machines which means it has access to
00:00:42
the OS that most programs can't touch
00:00:44
but when a program like that has memory
00:00:46
error the entire OS will just crash to
00:00:48
stop anything else from happening you
00:00:50
also had to physically reboot all of
00:00:51
these servers which is why it took so
00:00:53
long for everything to go back to normal
00:00:54
and I guess Y2K was just 24 years late

Badges

This episode stands out for the following:

  • 70
    Most shocking
  • 70
    Most talked-about
  • 60
    Most chaotic
  • 60
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Episode Highlights

Episode Quotes

  • Y2K was just 24 years late.
    How CrowdStrike broke Windows computers everywhere. #mkbhd #waveformpodcast #microsoft

Key Moments

  • Software Update Fail00:19
  • Y2K Reference00:54

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