Google's Built-In AI Defenses on Android Now Block 10 Billion Scam Messages a Month

Google says the built‑in AI protections on Android now shield users from more than 10 billion suspected malicious calls and messages each month, with over 100 million suspicious numbers blocked from using Rich Communication Services to prevent scams before they’re sent.

According to Google, the on‑device artificial intelligence continuously filters known spam and moves it automatically to the spam & blocked folder in the Google Messages app for Android, and it has also globally rolled out safer links in Google Messages to warn users when they click on URLs in a message flagged as spam.

The company’s analysis of user‑submitted reports in August 2025 found employment fraud to be the most prevalent scam category, followed by financially motivated scams related to bogus unpaid bills, subscriptions and fees, with other common themes including package deliveries and government impersonation. It also noted that scam messages increasingly arrive in group chats rather than direct messages, and that messages tend to follow a distinct daily and weekly pattern, peaking on Mondays between 8 a.m. and 10 a.m.

PT after starting around 5 a.m., aided by a network of hardware suppliers, SIM farms, PhaaS kits and third‑party bulk messaging services that blast smishing campaigns at scale.