steganography
AssessTechniques
The practice of hiding information inside another message or medium.
Why it's here
Placed in Assess: 2 article(s) of evidence from 1 source(s), led by security coverage, with 1 in the last 30 days. Confidence 36%.
Evidence (2)
- 5Hacker News·9/10/2026open_sourceOpen-source camera proves capture with steganographic signatures
A Recurse Center project built a low-cost camera that signs images at capture time using a secure element and hides the signature inside the pixels. The system uses a perceptual hash and watermarking so the proof can survive compression and resizing, though it still cannot stop screen rephotography attacks.
- 8Hacker News·6/30/2026securityClaude Code Allegedly Adds Steganographic Request Markers
A Hacker News discussion highlights claims that Claude Code is steganographically marking requests, suggesting the tool may be embedding hidden identifiers or signals in its prompts. The report has drawn significant attention because it raises questions about transparency, prompt handling, and possible covert metadata in AI developer tools.