How We’re Building Scam Alert on WhatsApp With End-to-End Encryption and Verifiability Guarantees
First reported · 2mo ago · 1 source
Crest summary — written by AI from the 1 source below; every figure is checked against them · model deepseek-chat
Summary
Meta detailed how WhatsApp's Scam Alert feature works while preserving end-to-end encryption and verifiability guarantees, as scam tactics evolve from impersonation to AI-generated lures.
Key facts
- Meta published the engineering details on 2026-08-12.
- Scam Alert is built for WhatsApp with end-to-end encryption.
- The feature also carries verifiability guarantees.
- Meta cites impersonation, social engineering and AI-generated lures as evolving scam tactics.
Why it matters
Builders of messaging and security features get a documented approach to adding scam detection without breaking end-to-end encryption, a constraint that shapes what client-side or privacy-preserving designs are viable.
Companies
Original sources (1)
The report this event was built from. Crest of Tech keeps no article bodies: the full text is at each source.
- Engineering at MetaOfficial · PrimaryHow We’re Building Scam Alert on WhatsApp With End-to-End Encryption and Verifiability GuaranteesRead at Engineering at Meta