Dev iconDevSep 6, 2026 ~1 min source read

I Wrote a Security Policy, Then Made Myself Break It

A guardrail you haven't tried to violate is just documentation with better formatting. A member account, dev-workload, gets native AdministratorAccess inside its own boundary.

I Wrote a Security Policy, Then Made Myself Break It

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Useful takeaways from this story.

A guardrail you haven't tried to violate is just documentation with better formatting.

A member account, dev-workload, gets native AdministratorAccess inside its own boundary.

Access is brokered exclusively through short-lived STS AssumeRole sessions, zero static IAM user access keys allowed.

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The useful part

A guardrail you haven't tried to violate is just documentation with better formatting. A member account, dev-workload, gets native AdministratorAccess inside its own boundary. Access is brokered exclusively through short-lived STS AssumeRole sessions, zero static IAM user access keys allowed.

How it works

  • The experiment focuses on the gap between what AdministratorAccess implies on paper and what an SCP actually enforces at the API evaluation layer underneath it.
  • <a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cfo...

Details worth keeping

That's the premise behind aws-boundary: an AWS multi-account setup using AWS Organizations, where a management account defines security guardrails and a separate member account operates under full administrator access, yet remains strictly bound by policies it cannot edit, bypass, or disable.

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