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# Security-focussed test/fix is basically “sparkling QA”
- URL: https://cje.io/2026/04/25/security-focussed-test-fix-is-basically-sparkling-qa/
- Published: 2026-04-25T22:25:57.000Z
- Updated: 2026-05-18T07:49:16.000Z
- Description: A short reaction to Firefox's claim that AI-found defects are finite: security-focused test-and-fix is basically QA wearing a fancier hat.
- Author: Casey Ellis
- Tags: Hot Takes, Thinking, Security

**On a Firefox blog post boasting that [Mythos](https://x.com/S1r1u5%5F/status/2046821657239777710?ref=cje.io) found 270 new bugs and concluding *"the defects are finite, and we are entering a world where we can finally find them all"*:**

[![i’ve got $10 that says once this dude thinks he’s fixed “all the bugs” a bad guy will still manage to find a way to get their thing done / security-focussed test/fix is basically “sparkling QA” - and one persons WONTFIX is another persons undocumented access feature  / what this](https://storage.ghost.io/c/ec/8a/ec8abb38-39b9-4422-95b9-695b2a5e652e/content/images/2026/04/tweet-card.png)](https://x.com/caseyjohnellis/status/2047612524640825534?ref=cje.io)

*[View on X →](https://x.com/caseyjohnellis/status/2047612524640825534?ref=cje.io)*