Will It Vibe?SSH open to the whole internet
Part of Security, which counts for 30% of the overall score. When this check fires it deducts 15 points from that category, once per scan, no matter how many places it turns up.
What it detects
A security group ingress rule opens port 22 to 0.0.0.0/0, exposing SSH to internet-wide brute-force and exploit scanning.
Why it matters
An ingress rule opening port 22 to 0.0.0.0/0 exposes SSH to the entire internet, where it is hit continuously by automated brute-force and exploit attempts. It only takes one weak key or a vulnerable SSH version for this to become a breach. SSH should never be world-open.
How to fix it
Restrict the SSH rule to a specific admin CIDR, a VPN range, or a bastion security group referenced by id. Better still, remove standing SSH access and use AWS Systems Manager Session Manager, which needs no open inbound port. If you keep SSH, require key-based auth and keep the source list narrow.
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