Writing
Tagged “resilience”
3 articles
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Postmortem: The CrowdStrike Outage of July 2024
CrowdStrike's full root cause analysis is out. The sensor expected 20 inputs, the new content supplied 21, and every test that should have caught it used a wildcard in exactly the wrong place. A month on, here's the…
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The Vital Role of Linux and Open Source Software in FinTech
Two days after a security update grounded banks and brokerages, it's worth looking at what the financial system actually runs on. Exchanges, trading firms, payment processors and banks run overwhelmingly on Linux and…
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Understanding the Causes of Widespread Outages: The Cases of CrowdStrike and Microsoft
Written the day it happened. A faulty CrowdStrike update crashed Windows machines worldwide, grounding flights and taking hospitals and banks offline, the morning after a separate Azure outage. It wasn't an attack. Why…