Signalgate OPSEC Analysis: Why End-to-End Encryption Failed to Prevent the 2025 Military Intelligence Leak
arXiv·medium signal
Chiodo, Erskine et al. analyze the 2025 Signalgate incident where sensitive US military information was leaked despite using Signal's end-to-end encryption. The paper provides a socio-technical analysis showing that encryption alone cannot solve operational security — human factors, group chat dynamics, and endpoint compromise make E2EE insufficient for protecting classified communications. Relevant framework for anyone designing secure communication systems for sensitive data.