Android: New tools protect users from text and call scams

Google is expanding its Android security ecosystem with new on-device AI capabilities.

The update introduces Gemini-powered fraud detection in the Messages app, performing intent analysis locally.

Furthermore, Android 15 will enforce automatic redaction of sensitive data during screen sharing sessions.

Developers and users can also expect extended support for link security through Gemini Nano on high-end hardware, alongside new call verification protocols to mitigate social engineering threats.

Smart warning about scams in messages

The Messages app is getting an optional feature that uses artificial intelligence to detect suspicious intent. When enabled, the system analyzes messages from strangers and warns the user if it detects a scam attempt. This analysis is done exclusively on the user's device, without Google having access to the content of the messages.

Additionally, on select devices, the system will check the security of links before the user opens them. This feature will start with select models, such as the Pixel 10 and the upcoming Samsung Galaxy S26, while Google is working with manufacturers such as Xiaomi, Motorola, OnePlus, Honor, OPPO, realme and vivo to offer it to even more phones.

Call protection and screen sharing

Android is also enriched with other security features:

• Hide data when sharing a screen: Starting in October, devices running Android 15 and later will automatically hide personal data, such as passwords, when the user shares their screen.
• Protection against unwanted call forwarding: Starting in December, the device will warn the user if it detects an attempt to type codes that activate call forwarding, thus preventing malicious actions taking place in the background.
• Bank call verification: Brazil already has a system that checks whether an incoming call is actually from a bank. If the call is not verified, it is automatically rejected. Since June, this feature has stopped more than 3 million fake calls.

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