Identity Propagation Closes the Attribution Gap on AI-Generated Passwords
On May 8, 2026, GitGuardian classified 28,000 passwords on public GitHub as LLM-generated. The mechanism is per-model Markov chain analysis applied to a dataset of 34 million credentials observed between November 2025 and March 2026. Detection at the leak point is the start of the forensic chain. Attribution comes next: which authenticated user issued the prompt, which model returned it, under what role. Those answers come from AI traffic logs that captured identity at the call boundary. This post covers what that capture looks like in practice.