AWS Config

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 AWS Config



AWS Config - 
  • Regional service
  • Can aggregated across regions and accounts
  • Record Configuration changes over time
  • Evaluate compliance of resources using config rules
  • Does not prevent non-complaint actions from happening 
  • Evaluate config rules - 
  • For each config changes 
  • At regular time intervals
  • Can make custom config rules (must be define in lamda function) such as - 
  • Check if EBS disk is of type gp2 
  • Check if each Ec2 instance is t2.micro
  • Can be used along with CloudTrail to get timeline of changes in configuration and complaince overtime
  • Integrates with EventBridge or SNS to trigger notifications when AWS resources are non-compliant

Remediation -   
  • Automate remediation of non-compliant resources using SSM automation documents 
  • You can set remediation retries if the resource is still non-complaint
  • For Ex- If IAm access keys expires (non-compliant), trigger an auto-remediation action to revoke unused IAM user credentials 


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