This is the first real AI cold war. Anthropic is HIDING secret spy code inside its most popular coding tool. The code was designed to identify Chinese users without their knowledge. Now Alibaba has banned every single Anthropic product from its entire company. And the full picture is way... more insane than either side wants you to see: On June 30, a security researcher on Reddit reverse-engineered Claude Code, Anthropic's AI coding agent that has deep access to every file on your computer. What they found buried inside the software was genuinely disturbing... Since April 2, Anthropic had been silently shipping hidden detection code inside every copy of Claude Code. The code checked whether your system timezone was set to Shanghai or Urumqi. It scanned your proxy settings against a hardcoded list of Chinese corporate networks, specifically targeting Alibaba, ByteDance, Baidu, and Moonshot AI. But here is the part that made security researchers lose their minds: The code did not send a normal signal back to Anthropic's servers. Instead it used steganography, a technique from military intelligence, to hide its findings INSIDE the text Claude was already generating. It swapped invisible Unicode characters in Claude's system prompt. Changed a standard apostrophe to one of three visually identical but technically different characters depending on which flags triggered. Switched date formats from dashes to slashes. Invisible to the human eye. But perfectly readable by Anthropic's backend. The detection logic was XOR-obfuscated to prevent anyone from finding it during a code review. It shipped with zero disclosure in the release notes. Three months of silent surveillance baked into a tool that has full access to your local file system. An Anthropic engineer confirmed the whole thing on X on July 2. Called it "an experiment we launched in March that was meant to prevent account abuse." Said the team had "been meaning to take this down for a while." The code was removed on July 1, one day after the Reddit post went viral. Three months of covert user fingerprinting. Removed the day after someone found it. Described as an experiment they forgot to turn off... Now here is where it becomes a full blown corporate war: Three weeks before the backdoor was discovered, Anthropic had sent a letter to the US Senate Banking Committee accusing operators linked to Alibaba's Qwen AI lab of running the largest model theft campaign in the company's history. 25,000 fake accounts. 28.8 million queries over 44 days. All designed to copy Claude's reasoning capabilities and train a competing Chinese model for free. So the sequence reads like this: Alibaba allegedly steals Claude's brain using 25,000 fake accounts. Anthropic responds by secretly embedding surveillance code inside Claude Code to catch them. A Reddit user catches Anthropic doing it. Alibaba uses the discovery as justification to ban every Anthropic product from its entire workforce effective July 10 and force 200,000 employees onto its own tool, Qoder. The thief caught the cop planting a wiretap. And now the thief is using the wiretap as evidence that the cop is the real criminal. Alibaba classified Claude Code as "high-risk software with security vulnerabilities" in an internal notice reported by the South China Morning Post. Meanwhile Anthropic is simultaneously fighting the Pentagon over a blacklist designation, lobbying Washington to crack down on Chinese distillation, and getting caught running the exact kind of covert operation that makes their "responsible AI" branding look like a punchline. Alibaba allegedly ran the largest AI theft operation ever documented. Anthropic secretly built invisible tracking into a tool with root access to your computer. The US government restricted American access to the very models China already copied. And a random Reddit user with a debugger exposed the whole thing.show more

Ricardo

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