Medieval Encrypted Letter Decoded

Feed of Bruce Schneier posts covering a set of privacy and security developments: forensic recovery of deleted Signal messages from an iPhone push-notification database (showing secure-messaging metadata/content leakage unless notification content is disabled); a journalist mailing a hidden Bluetooth tracker to reveal a Dutch warship’s location (demonstrating low-cost physical-tracking risk to maritime assets); ICE’s admitted use of Graphite spyware and reporting on Mexican surveillance firm Grupo Seguritech expanding into the U.S. (state/operator surveillance concerns); and Anthropic’s Claude