Mimecast Says Hackers Compromised Digital Certificate

Healthcare Info Security

Jeremy Kirk

Email security provider Mimecast says hackers compromised a digital certificate that encrypts data that moves between several of its products and Microsoft's servers, putting organizations at risk of data loss.

The certificate, which is issued by Mimecast, encrypts data exchanged between the company's Sync and Recover, Continuity Monitor and Internal Email Protect products and Microsoft 365 Exchange Web Services.

Mimecast, which is based in London, says that 10% of its customers, or about 3,900, use this type of connection between its products and Microsoft. In its last earnings call in November 2020, Mimecast reported it has 39,200 customers around the world.

The company believes...

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