WarsawJS Talk English

Claude Code is a Double Agent: How to Use New Docker Sandboxes to Stop Leaking Your Credentials (Lightning Talk ⚡️)

Presented at Meetup #139 Wed, Jun 10, 2026
Location DataArt Warsaw, WeWork, Mennica Legacy Tower, West Building, ul. Prosta 20, 00-850 Warszawa, 1st floor, Room 01C

About this Talk

Anthropic knew about critical Claude Code security vulnerabilities for months and never told users. Anyone running Claude Code at that time could have all of their credentials leaked. No one should ever run Claude Code without a VM or a secure sandbox. The recently released Docker Sandboxes is a fast and convenient way to do that.

Rafał Pocztarski

Rafał Pocztarski

Software Developer at Paramount

Rafał Pocztarski is a software developer at Paramount. He got obsessed with programming when he was 6 years old and hasn't recovered since then.

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