This blog post is a response to an investigative news report about a large-scale law-enforcement attack that managed to de-anonymize a user of an old version of the long-retired app Ricochet. This blog post aims to provide insight into what we know so far. Nothing that the Tor Project has learned about this incident suggests that Tor Browser was attacked or exploited. Tor users can continue to use Tor Browser to access the web securely and anonymously.

Executive Summary: The Black Lotus Labs team at Lumen Technologies is tracking a malware platform we’ve named Cuttlefish, that targets networking equipment, specifically enterprise-grade small office/home office (SOHO) routers. This malware is modular, designed primarily to steal authentication material found in web requests that transit the router from the adjacent local area network (LAN). A