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Data Stolen in Breach at Security Company Entrust

Entrust suffered a data breach last month and the security company has confirmed that the attackers have stolen some files.

The breach was discovered on June 18 and the firm started notifying customers on July 6. However, the intrusion came to light only on July 21 when security researcher Dominic Alvieri came across a copy of the notification sent by Entrust to customers.

Entrust is a Minneapolis, MN-based company that provides security solutions for user and machine identities, payments, and digital infrastructure. The firm’s services are used across 150 countries, including by some of the world’s largest organizations.

In the notification to customers, Entrust CEO Todd Wilkinson said that while the investigation is ongoing, the company determined that some files had been taken from internal systems.

“On June 18, 2022, we determined that an unauthorized party accessed certain of our systems used for internal operations – functions such as HR, finance, and marketing. We promptly began an investigation with the assistance of a leading third-party cybersecurity firm and have informed law enforcement,” Entrust told SecurityWeek in an emailed statement.

“While our investigation is ongoing, we have found no indication to date that the issue has affected the operation or security of our products and services, which are run in separate environments from our internal systems and are fully operational. We take seriously our responsibility to protect our systems and have been engaged with our customers on the issue,” the company added.

Vitali Kremez, CEO of threat intelligence firm AdvIntel, told Bleeping Computer that the incident involved ransomware, with a known — but unnamed — threat actor acquiring compromised Entrust credentials and using them to access the company’s network. Kremez said the attackers encrypted files and exfiltrated data.

Entrust has not provided any additional details. SecurityWeek has checked the websites of several major ransomware groups, but it did not find Entrust being mentioned by any of them at the time of writing.

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Eduard Kovacs (@EduardKovacs) is a contributing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.