Email security company Mimecast has disclosed today that a "sophisticated threat actor" compromised one of the certificates the company issues for customers to securely connect Microsoft 365 Exchange ...
Email security provider Mimecast says it has been informed by Microsoft that a certificate it issued for authentication of Mimecast Sync and Recover, Continuity Monitor, and IEP products to Microsoft ...
Microsoft is tightening security by introducing mandatory multi-factor authentication (MFA) for Microsoft 365 admin center ...
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