AWS EC2 Gateway Modified
This rule monitors for changes to EC2 Gateways.
Risk
Remediation Effort
Low
Low
EC2 Gateways broker access between your AWS resources and the internet, and so changes to the must be closely monitored and reviewed. Ensure that only planned changes are taking place.
Remediation
If this change was not planned before hand, revert it and investigate the source of the change. If it was due to improper policies/procedures, consider modifying permissions to prevent this from happening again.
References
  • CIS AWS Benchmark 3.12: "Ensure a log metric filter and alarm exist for changes to network gateways"
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