Eighth Rank details macOS Personal Knowledge Graph

A breakdown by security researchers at Eighth Rank reveals how Apple's macOS compiles a Personal Knowledge Graph using local daemons and SQLite databases. The system analyzes device content, messages, emails, and photos to infer relationships, context, and behavioral patterns for features like Siri. While the data is stored locally and protected, researchers found it contains granular details about family members, routines, and physical locations. Open article →