page contents Hackers hijacked email security firm Mimecast to spy on customers – The News Headline

Hackers hijacked email security firm Mimecast to spy on customers

(Reuters) — E-mail safety supplier Mimecast mentioned on Tuesday that hackers had hijacked its merchandise in an effort to undercover agent on its shoppers.

The corporate mentioned it were alerted to the assault by means of investigators at Microsoft and that “a complicated danger actor” had compromised the certificates used to protect connections between its merchandise and Microsoft’s cloud services and products.

In a four-paragraph remark, the corporate mentioned round 10% of its greater than 36,000 shoppers were affected, however it believed “a low single-digit quantity” of customers were particularly centered.

Mimecast spokesperson Laura Barnes declined additional remark. “Our investigation is ongoing and we don’t have anything else further to percentage at the moment,” she mentioned.

Mimecast supplies a variety of e mail safety merchandise, akin to techniques to dam malicious internet hyperlinks, phishing makes an attempt, and attackers the usage of pretend identities in an effort to trick their sufferers into revealing delicate knowledge.

3 cybersecurity investigators, who spoke on situation of anonymity to speak about main points of an ongoing probe, informed Reuters they suspected the hackers who compromised Mimecast have been the similar workforce that broke into U.S. tool maker SolarWinds and a number of delicate U.S. executive companies.

The SolarWinds hack used to be disclosed ultimate month and is among the maximum formidable cyber espionage campaigns ever exposed. U.S. intelligence companies have blamed Russia, which has many times denied the allegations.

(Reporting by means of Jack Stubbs and Raphael Satter. Modifying by means of Pravin Char.)

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