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Last updated: April 29, 2026
Crypto breaks rarely; when it does, it’s catastrophic.
Crypto breaks rarely; when it does, it’s catastrophic.
Notable incidents
- DigiNotar 2011 — CA compromised; rogue certs for Google. Browser distrust = company death.
- Heartbleed 2014 — OpenSSL bug exposed memory to attacker. Remediation involved rotating every cert.
- POODLE 2014 — SSL 3.0 padding-oracle. End of SSL 3.0.
- Logjam 2015 — DH key-exchange weakness. End of weak DH groups.
- Symantec distrust 2017 — Symantec/Thawte/GeoTrust certs gradually distrusted by browsers due to misissuance.
- ROBOT 2017 — RSA padding oracle. F5, Cisco, others patched urgently.
- SHA-1 deprecation 2017 — gradual phaseout.
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