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 ...
At the end of 2023, Microsoft replaced certificates for Teams Phone. Despite the announcement the year before, admins were ...
Mimecast, a company that makes cloud email management software, disclosed a security incident today, alerting customers that "a sophisticated threat actor" has obtained one of its digital certificates ...
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