The Google Prompt message opens a full-screen page asking, “Are you trying to sign in?”
with “Yes” and “No, its not me” options at the bottom of the display.
Users will have to confirm on their phone that this is indeed them signing into another rig.

The new feature utilizes caBLE (cloud-enabled Bluetooth Low Energy) for its security checks.
Bluetooth Low Energy refers to a equipment using Bluetooth technology on a low-frequency band to communicate with other devices.
The tech is notable for its short connection times, but high data rates.

This communication is enabled via the Google Cloud.
The new 2SV requires users to sign in to the same account and have Chrome Sync enabled.
Google provides a series of instructions on how to activate Chrome Sync on its website.
It is not widely available for all users yet.
This is the latest in Googles increasing adoption of 2-factor verification methods.