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Google automatically backs up many essential app data and other items such as call history on Google Drive. This ensures that switching between phones does not become too heavy. However, Android Pie modifies some changes to backups and their storage.
Changes announced by Google in an online newspaper security blog reveals that the company is currently implementing measures to ensure that even Google can no longer read your data.
Illustration of the Titan security key. Image: Google
Troy Kensinger, Google's Android Security and Privacy Technical Manager, writes that "devices can take advantage of a new feature in which saved application data can only be decrypted by a randomly generated key." the customer". This key is based on the password of the lock screen of the user, which is not revealed to Google.
This is not everything. This password-protected key is then encrypted on a Titan security chip on Google's servers. "The Titan chip is set to release the backup decryption key only if a correct claim is derived from the user's authentication code," writes Kensinger. In short, the Titan security key will not decrypt any of your information unless it detects that you have used your PIN to request decryption.
As indicated in a report by Android fontGoogle also hired a security company, the NCC group, to make sure there were no loopholes. The NCC group has encountered some problems that have been duly solved by Google.
The only thing we are not sure about is which phones are really capable of backing up data using this new method. The installation of Android Pie is certainly one of the essential prerequisites, but Google has not yet defined other requirements.
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