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 ...
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 ...
A 39-year-old U.K. resident has been arrested and charged with operating a hack-to-trade fraud, which generated millions of dollars by hacking Microsoft Office 365 email accounts. The alleged hacker, ...