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Google Unveils Android 17 Security Overhaul With Bank-Call Verification Rollout

The update shifts key defenses on‑device, from bank call checks to real‑time app monitoring to Pixel‑first OS verification.

Overview

  • Google, which detailed the plan Tuesday at The Android Show, said verified financial calls will begin reaching Android 11+ users of Revolut, Itaú, and Nubank in the coming weeks.
  • When a call claims to be from a participating bank, Android asks the bank’s app if it placed the call, and the system ends the call if the app says it did not; banks can also mark some numbers as inbound‑only to auto‑block spoofed calls.
  • Android 17 expands Live Threat Detection to spot SMS forwarding abuse, hidden accessibility overlays, icon‑hiding and background launches, with dynamic signal monitoring set to ship on Android 17 and protections landing in the second half of 2026.
  • Find Hub’s Mark as lost adds a biometric re‑lock and hides Quick Settings while blocking new Wi‑Fi and Bluetooth links, and default‑on theft tools like Remote Lock and Theft Detection Lock extend to all new or upgraded Android 17 devices and to Android 10+ phones in Argentina, Chile, Colombia, Mexico, and the UK.
  • Android 17 adds OS verification with a public append‑only ledger launching first on Pixel, Chrome scans APK downloads to block known malware, Android hides SMS one‑time passwords for three hours, and new platform work includes hardware‑backed AI isolation and post‑quantum cryptography.