AWS uses managed policy to limit leaked IAM key use
AWS uses an automated process to secure IAM access keys that are publicly exposed, such as those leaked in GitHub repositories. When notified of exposed credentials, AWS attaches a managed policy called AWSCompromisedKeyQuarantine to restrict their use and alerts the affected account owner. This process is designed to quickly reduce the risk of unauthorized access following key exposure.
- AWS monitors for leaked IAM credentials
- GitHub's secret scanning is part of detection
- Automated policy limits actions by compromised keys
- AWS notifies owners of exposed credentials
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