Anthropic's hidden Claude Code tracker has raised new questions about prompt steganography and developer trust.

Anthropic accused of spying on users; engineer says “experiment” is over.

Anthropic accused of spying on users; engineer says “experiment” is over.

Anthropic embedded covert steganographic tracking in Claude Code to catch Chinese firms allegedly stealing its AI model through industrial-scale

Anthropic secretly tracked Chinese users in Claude Code for three months using steganographic markers. A researcher exposed the code, prompting immediate

Anthropic's hidden Claude Code tracker has raised new questions about prompt steganography and developer trust.