Security · 3h ago
Developer finds 10 bugs in own security scanner, reveals false positive lessons
A developer built a VS Code extension to scan for leaked secrets and vulnerabilities, then found 10 bugs in it. False positives included flagging variable names containing 'log' and SSH public keys as critical secrets. False negatives missed real GCP credentials and IPv6 addresses due to outdated patterns.
Meridian48 take
The post is a useful case study in the difficulty of building reliable security tools, but its lessons are familiar to anyone who has worked on pattern-matching systems.
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I found 10 bugs in my own security scanner. Here's what they taught me about false positives. →
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