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Claude Code is steganographically marking requests
I inspected Claude Code for privacy reasons and found hidden system prompt markers based on API base URL and timezone.
- Points
- 2,445
- HN comments
- 750
- Submissions
- 1
- Cited by
- 3 commenters
AI & Machine LearningSecurity & Privacy2026
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Jun 30, 2026 | Claude Code is steganographically marking requests by kirushik | 2,445 | 750 |
Cited in comments
Linked from 6 Hacker News comments by 3 different people, from Jul 2026 to Nov 2026.
Most recent:
