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Anthropic Claude Code source exposure and build system lockdown guidance

April 4, 2026Tanya Janca | Shehackspurple, Adam Chester

Tanya Janca points to an article about an Anthropic employee error that exposed Claude Code source, using it to emphasize build system hardening best practices. Adam Chester argues the incident was a source map leak and that security panic is overblown.

I'm quoted in the following article with best practices for developers to lock down their build systems: Anthropic employee error exposes Claude Code source
This “cooked” business is hilarious… and it obviously comes from people who don’t push LLMs past their initial magic trick.
Very useful tools, speed increase is amazing, but let’s stop with the security “cooked”… Anthropic leaked a Source Map… in 2026
Tanya Janca | Shehackspurple
Adam Chester
claude codebuild systemssource codeclaudesupply chainclaude codesource code

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