Mac includes undocumented family member classifier
The gist
Security group 8rank.ai says Macs since macOS 13 run daemons that map who you know and how they relate.
The debate is whether a local-only graph of your contacts and family is still a privacy risk.
How it unfolded
- 2022Apple introduces a persistent graph-building subsystem in macOS 13 that links contacts, behavior and hardware states on Intel and Apple silicon Macs.
- 2023Apple researchers publish a paper on the techniques behind the graph construction.
- Aug 2026The 8rank.ai authors encounter the system while doing security research on the Apple Intelligence bundle in macOS 26.
Key terms
- daemons
- A program that runs as a background process rather than under direct control of an interactive user.
- personal knowledge graph
- A knowledge base that uses a graph-structured data model to store interlinked descriptions of entities and their relationships.
- macOS
- A proprietary Unix-based operating system developed by Apple for its Mac computers since 2001.
Source: Wikipedia