Anthropic's "Ethical" AI Just Got Caught Snooping

A tiny punctuation mark shouldn’t be able to start a scandal, but that’s exactly what makes this story so unsettling. We dig into reports that Anthropic’s developer tool, Claude Code, quietly swapped a standard apostrophe for a visually identical Unicode character inside a system prompt, creating a hidden signal that could flag certain environments without an obvious telemetry ping. It’s a masterclass in how AI privacy can fail in ways most users will never notice, because the tracking signal...