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Recovering cloud guardrails at Calderwood Retail Group: on Black Friday 2026 a provenance rule published straight to enforce mode blocked every production deployment for 366 minutes and cost £4.9M of online sales, the rollback left 14 guardrails in dry-run, and on 11 December a bucket holding 212,400 loyalty records stayed public for 53 hours; a mode board of eight guardrail families shows each policy as a post on the rail, enforcing or in dry-run, with enforcement rising from 86 of 138 policies to 150 of 163 against a 90% target; exceptions fall from 296 to 86 that all expire, the worst tier-1 block since rings and scoped rollback is 9 minutes, and the Board is asked to approve Option B.
CY-PRO-046Pro Level · Cloud Native Security

Policy-as-Code Guardrail Governance

A forty-hour Pro-level policy-as-code crisis simulation run on a live crisis board, where you are Head of Cloud Platform Security at a UK omnichannel retailer; a provenance rule published straight to enforce mode blocks every production deployment for six hours on Black Friday, fourteen guardrails switched to dry-run in the panic are never switched back, and a public bucket exposes 212,400 loyalty records two weeks later — and you measure the truth, rebuild the policy lifecycle, roll out safely, make exceptions expire, restore every guardrail family, earn engineers' trust, prove effectiveness, price the next phase at the margin and defend it to the Board.

40 hours12 chapters60 lessons433 activities12 labs

What you'll learn

  • Measure guardrails honestly — mode, scope, false blocks, exceptions and the critical set — and contain a live exposure without causing a second outage.
  • Govern policy change end to end — lifecycle gates, production-sampled tests, dry-run with an exit, rings, automatic rollback, a blast-radius budget and exceptions that expire.
  • Restore and extend identity, network, data, encryption and supply-chain guardrails, and earn the trust of the engineers who meet them through messages, local checks, paved roads and service levels.
  • Prove effectiveness with escapes and control tests, price the programme at the margin, set appetite and accept residuals explicitly, attest truthfully and win a resolution the Board can be held to.

Price:৳15,000
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