AWS · Free CLI guide · kloudaudit.eu

Find AWS Security Groups Open to 0.0.0.0/0 Port 22 3389 443

⚡ Quick answer — copy and run

aws ec2 describe-security-groups --query SecurityGroups --output json
1

Make sure you have the AWS CLI configured: aws configure

2

Run the command above. Review the output for resources to clean up.

3

Delete or stop resources that are confirmed idle or unused.

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Why this matters

Security groups with 0.0.0.0/0 on port 22 (SSH) or 3389 (RDP) expose your instances to the entire internet. Automated scanners probe these continuously — it is a matter of when, not if.

⚠ Always verify resources are genuinely unused before deleting. Check with your team — a "stopped" instance may be intentional.

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KloudAudit · kloudaudit.eu · Built by Samuel Ayodele Adomeh · Senior DevOps Engineer · Wrocław, Poland
Savings estimates are based on typical findings across cloud environments and not a guarantee.