Starting February 9, 2026, Microsoft will enforce multi-factor authentication (MFA) for all users who want to access the Microsoft 365 admin center. Administrators without MFA will face login blocks starting next month. The measure is part of Microsoft's strategy against credential-based attacks, which remain a significant attack vector. The company began a soft rollout in February last year, but starting next month, the requirement will be fully enforced for all tenants.
Among their discoveries can be OAuth tokens, which these digital assistants then pass on to malicious parties. Datadog uncovered how agents use Microsoft Copilot Studio to assist in phishing campaigns. Copilot Studio enables a pervasive form of automation. To increase their usability, users can share the workflows of these agents, which are called "topics." The Login topic can be configured in such a way that users are misled.