Fake emails with "President Sabah shared a file with you"

Western has been receiving phishing emails from compromised SharePoint and OneDrive sites, saying someone has shared a file with you.  Unless your are expecting a file to be shared with you, and know the person sharing the file, do not try to open it!  You may be prompted to enter your credentials, and your identity will be stolen.  Please also sign up for multi-factor authentication to better protect your identity.