A tool that provides visibility, control, and threat protection for cloud-based applications and services
This may be due to a successful phishing attempt which may have compromised your account. Recommendations:
- Reset your password - https://account.microsoft.com/security
- REMOVE malicious app access https://account.live.com/consent/Manage Review all apps, remove anything you don't recognize.
- Check Outlook rules https://outlook.live.com/mail/0/options/mail/rules to ensure no forwarding rules exist to unknown addresses.