Google's new Workspace password policy starts today: How to know if you're affected
Briefly

Google Workspace will no longer support older protocols like CalDAV, CardDAV, IMAP, or POP, which increases security risks by sharing account credentials with third-party apps.
To protect users, Google recommends switching to Sign-in with Google which uses the OAuth standard, limiting data access for third-party applications.
For those affected by the removal of older protocols, Google advises upgrading to Microsoft 365 or downloading the latest Outlook app to ensure continued access.
The change in policy serves to enhance user security by preventing bad actors from gaining unauthorized access through outdated protocols.
Read at ZDNET
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