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Glossary term

Critical severity

A finding level indicating security risk or major cost waste that requires same-day response.

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Where it appears

Read the term in context.

Each row is a lesson that uses this term. The lesson where it first appears is the canonical definition.

T2 / M2.1 / L2 Severity ladder, critical to info

Start with the bill.

Foundations takes about five hours. The first lesson is nine minutes.

Open curriculum. No login. No paywall. 237 lessons across 7 courses, three publicly verifiable credentials. Read it on the train, take the exam on a Saturday, list the credential on your résumé Monday.

Read Foundations →See the credentials →
5h median time to finish Foundations
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open curriculum, public credential verifier
Multi-cloud automation· Production-ready in 30 min· SOC 2 · ISO 27001· 30% average cloud cost cut· 4 platforms · 1 console· Multi-cloud automation· Production-ready in 30 min· SOC 2 · ISO 27001· 30% average cloud cost cut· 4 platforms · 1 console·