Researchers find Meta's Muse builds hourly profiles of users' contacts

Security researchers who extracted Meta's Muse operating instructions found a process that compiles and updates profiles of people in a user's life every hour, The Verge reported. The profiles track relationships and inform personalized suggestions, including assessments of closeness and how people interact. Meta says Muse gathers context from public information and material users choose to share. That material can include communications containing other people's private information. Signal Foundation president Meredith Whittaker warned that software reading decrypted messages and sending them to a cloud service can undermine encryption's protective purpose even when encryption itself works as intended.