Notifying administrators about unhashed password storage

This is a G Suite issue that affects business users only–no free consumer Google accounts were affected–and we are working with enterprise administrators to ensure that their users reset their passwords. How Google Stores Passwords for Consumers & G Suite Enterprise Customers

If you have a Google account, Google’s core sign-in system is designed not to know your password. The issues discovered with G Suite enterprise accounts

We made an error when implementing this functionality back in 2005: The admin console stored a copy of the unhashed password.

Source: cloud.google.com