[Bug] OpSec filter produces false positive for legitimate cybersecurity research

Status Open
Reported on v2.1.284
Maintainer reply None cached
Activity 1 comment · opened Sep 29, 2026

Bug Description
I’m studying OpSec and getting a false positive, even though there’s nothing illicit about studying the field of cybersecurity.

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.284
  • Feedback ID: 0047c469-fa16-4bb8-970b-c36f12ebd2c1

Errors

API Error: Opus 5.5's safeguards flagged this session (https://www.anthropic.com/legal/aup). You may be seeing this for the first time: Opus 5.5 is more capable and has stronger safeguards as a result, which can sometimes flag non-cybersecurity work. We're improving these safeguards to reduce the amount of incorrectly flagged messages. Claude Code can't respond to your last message with Opus 5.5.

Double press esc to edit your last message, or try a different model with /model.

Send feedback with /feedback or learn more: https://support.claude.com/en/articles/8106465

Details: `[cyber]`

View original on GitHub ↗

This issue has 1 comment on GitHub. Read the full discussion on GitHub ↗