Microsoft has confirmed that they are actively investigating the issue.
Login is unavailable to systems using Microsoft Azure including: portal.wpi.edu Workday Office 365 Outlook on the Web (portal.office.com) Self Service Password Reset Multi-Factor Authentication If you opened a session in one of these applications prior to the outage, you can continue to work in the application and are not impacted. Continue to keep that session open; once closed you will be unable to re-login.
The Central Authentication System (CAS) is not impacted. Updates will be made as they become available.