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You answer the phone. The voice on the other end sounds exactly like your sister. Calm. Familiar. Asking for a favor. It feels real. But what if the person on the line isn’t who they claim to be?
Scammers have gotten clever. They now stitch together stolen recordings and plug them into widely available AI tools to create voice deepfakes that mimic family members, bosses or officials. At the same time, call spoofing tricks caller ID into showing a trusted number, routing the scam through internet-based services so everything looks legitimate.
Google's response lands quietly, but it's significant: fake call detection in the Phone by Google app. The feature doesn't try to analyze the voice or send your audio to servers. Instead, it uses a simple authenticity check between devices. If both caller and recipient are using Phone by Google, the apps exchange a confirmation over end-to-end encrypted RCS. If that handshake is missing, your phone warns you the call may be spoofed.
The verification happens via end-to-end encrypted RCS between phones, so no call audio or personal content is exposed to Google.
That design matters. It sidesteps many of the privacy pitfalls people worry about when companies advertise AI-driven protections. The check is a presence signal — a green light or a missing signal — not a transcript or a voiceprint that could be stored or misused later.
The protection will be enabled by default and you can switch it off in the Phone by Google settings if you prefer. Rollout starts this month for devices running Android 12 and later, with Pixel phones first in line. If your phone uses a different dialer by default, you can download Phone by Google from the Play Store and make it your default calling app to get the safeguard.
This isn't a silver bullet. Attackers will keep evolving tactics. But adding a lightweight, private authenticity check to billions of phones raises the bar. For anyone who worries about a robotic voice pretending to be Mom, or a fake caller pressing you for money, this turns an invisible threat into a visible warning — and that can be enough to make you pause and pick up the phone yourself.
Source: gsmarena
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