Anthropic Caught Secretly Spying on UsersAnthropic's privacy claims are now "harder to believe."
By Frank Landymore Published Jul 7, 2026 4:42 PM EDT
https://futurism.com/artificial-intelligence/anthropic-caught-secretly-spying-on-usersQuote:
Anthropic, the self-avowed moral center of the AI industry, has been caught spying on its users.
As Ars Technica reports, a security researcher last week uncovered spyware-like code in the company’s Claude Code AI model designed to collect data on Chinese users without detection.
The researcher, known by the pseudonym “Thereallo,” found that the code was hidden in the AI’s system prompt, allowing it track a user’s system timezone and usage of a proxy server in order to suss out if they were connected to specific Chinese AI labs.
Anthropic’s explanation for this huge breach in user trust left much to be desired. On X, Anthropic engineer Thariq Shihipa wrote that the tracker was added as an “experiment” in March “to prevent account abuse from unauthorized resellers and protect against distillation,” and was supposed to be removed.
“We’ve actually been meaning to take this down for a while,” he offered.
Secret Claude tracker shocks users after Anthropic’s anti-surveillance stanceAnthropic accused of spying on users; engineer says “experiment” is over.
ASHLEY BELANGER – JUL 6, 2026 12:44 PM
https://arstechnica.com/tech-policy/2026/07/anthropic-outed-for-claude-tracker-that-secretly-monitored-chinese-users/Quote:
Anthropic quickly removed a tracker secretly monitoring Claude Code users in China after a security researcher exposed the hidden code and condemned the spyware-like tracking as a “serious breach of user trust.”
Last week, a web developer known as “Thereallo” was researching privacy issues in Claude Code and was shocked to find that the AI firm was using “prompt steganography” to hide code that tracks Chinese users “in plain sight.” This code wasn’t malicious, but it was sending information to Anthropic that most users wouldn’t detect, relying on shorthand markers to quietly flag users’ timezone, proxy, and potential connection to Chinese AI labs that Anthropic has accused of distillation attacks.
On X, Anthropic engineer Thariq Shihipar confirmed that the tracker was added to Claude Code as an “experiment” in March. According to Shihipar, the code “was meant to prevent account abuse from unauthorized resellers and protect against distillation.” Regarding the former, The Washington Post found unauthorized retailers have sold access to free models for $1 a month, and pro subscriptions that can cost $100 monthly sell for “as little as $12.”

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