System Design · sector

Security & identity

Protecting systems — and what happens when protection breaks.

1 ready to open · 3 more on the way

CrowdStrike's system design

One lightweight sensor inside every machine's kernel decides on the spot; one cloud correlates trillions of events a week and pushes new rules back several times a day. Code ships slowly, rules ship as data — and on July 19, 2024 one rule file crashed about 8.5 million Windows machines.

Intermediate4 chapters · ~10 min

Coming next · 3 in the works

Okta
Let's Encrypt
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