Building Multi-Cloud Security Guardrails With Policy-as-Code, IAM, and Automated Remediation
I’ll never forget the post-mortem.
It was 4:45 PM on a Thursday before a long holiday weekend. A critical staging microservice died after a team refactored their database connectivity. An engineer, desperate to log off and avoid ruining their weekend, jumped straight into the management console. They attached an AdministratorAccess policy to an EC2 instance profile, told themselves it was just a temporary diagnostic probe, and resolved to roll it back first thing Monday morning.
Monday never came.
By Sunday at 3:15 AM, an automated scanner had swept the open endpoint, extracted the temporary instance credentials via IMDS, and begun quietly enumerating internal object storage.
This pattern is etched into every SRE's memory: Gartner’s famous prediction that over 99% of cloud breaches through 2025 would be customer-side configuration blundersdidn't just come true - it proved to be an understatement. Looking back now as 2026 comes to a close, the...
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