**SUBJECT: FBI ALERT: CRITICAL ONE-DRIVE THREAT**
A newly issued FBI alert warns that Microsoft Outlook and OneDrive are being actively exploited in a sophisticated cyberattack chain. The agency confirms attackers are using compromised email accounts to deploy malicious OneDrive links—bypassing traditional security filters completely.
**Impact:** Once a user clicks, the attacker gains silent, persistent access to all synced files and emails, enabling lateral movement across the organization.
**Urgent Action Required:** All users must immediately verify the source of any OneDrive link before clicking, disable auto-sync on shared folders, and enforce MFA on all accounts.
**Bottom line:** This is not a typical phishing drill. It is a confirmed, active exploit targeting primary collaboration tools. Response time is measured in hours.