The Microsoft Exchange admin portal is currently inaccessible from some browsers after Microsoft forgot to renew the SSL certificate for the website. Starting at 8 AM EST today, Microsoft Exchange ...
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 ...
The certificate used to authenticate Mimecast’s Sync and Recover, Continuity Monitor and Internal Email Protect (IEP) products to Microsoft 365 has been compromised by a sophisticated threat actor. A ...
A sophisticated threat actor has hijacked email security connections to spy on targets. A Mimecast-issued certificate used to authenticate some of the company’s products to Microsoft 365 Exchange Web ...
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