"...generating a proof-of-concept (PoC) exploit is required for defenders. Theoretical vulnerabilities identified through static analysis inevitably produce a high volume of false positives."
He began by replicating Mythos findings with his specialized harness.
Then went on to find more critical novel zero days in open source code that he can't share yet because they're not fixed.
TL;DR - harnesses are where the magic is. provos.org/p/finding-zero…
A zero-permission Android app could read every photo, video, voice note, and document in your Signal chats. Skipped Google Play for privacy? You were vulnerable.