Google Expands Android Phone Verification and AI Scam Call Defenses

Google has expanded Android protections that tie a phone number to a device and Google accounts, while also adding fake call detection aimed at stopping deepfake-enabled phone scams. Reporting on the new anti-scam feature indicates Android can analyze calls for signs of impersonation and other fraudulent behavior, reflecting Google’s broader push to harden mobile devices against voice-based social engineering attacks.

Separate reporting on Android’s phone number verification shows Google verifies that a SIM associated with a number is physically present in a device, then links that verified number to active Google accounts for services including RCS messaging, account recovery, emergency features, and anti-scam protections. The process has used hidden SMS messages and now increasingly relies on carrier APIs that exchange encrypted device and SIM-related data; the feature is enabled by default, can generate “number is now verified” alerts, and has raised privacy concerns because one verified number may be associated with multiple Google accounts on the same device.