Hackers steal Mimecast certificate used to encrypt customers’ M365 traffic

Found 12 days ago at Arstechnica

Email management provider Mimecast said that hackers have compromised a digital certificate it issued and used it to target select customers who use it to encrypt data they sent and received through the companys cloud based service. In a post published on Tuesday , the company said that the certificate was used by about 10 percent of its customer base, which—according to the company—numbers about...

Read the article at Arstechnica

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