CY-PRO-088Pro Level · Cryptography and PKI
Certificate Authority Distrust Crisis Response
Lead the crisis when thousands of certificates must be replaced — now.
40 hours12 chapters60 lessons433 activities12 labs
What you'll learn
- Size and scope a certificate crisis from the organisation's own records — what was issued, where it is deployed, who owns it and which client enforces which deadline.
- Replace certificates at crisis pace without causing the outage: triage by impact, an emergency change standard with verification and rollback, automation in canary batches, and new keys generated where they are used.
- Recover pinned and embedded clients and suppliers in the right order, communicate truthfully to every audience, and run a deadline night from a disciplined bridge.
- Turn the crisis into lasting crypto agility — two CAs, automation by default, a pinning policy, durable ownership and tested issuer switching — priced at the margin and accepted by the Board with its residuals.
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