Category Archives: HALOCK Breach Bulletin

T-Mobile is the second-largest wireless carrier in the U.S. and has an estimated 110 million subscribers. The company has been repeatedly targeted by external threat actors over the past decade. The first large breach occurred between September 1, 2013 and September 16, 2015 and affected some 18 million customers. Another breach occurred in 2018, involving more than 2 million customers. It experienced another attack in 2019 involving its prepaid customers followed by two attacks in 2020.

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Blackhawk Networks, a private global branded payment company headquartered in California, is the object of a proposed class action lawsuit over an alleged “foreseeable” data breach that occurred in September of 2022 which has affected thousands of consumers.

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Herff Jones has been in business for over a century, selling graduation products such as caps and gowns, class rings and yearbooks to students and their parents to help mark their educational accomplishments. On May 12, 2021, the company posted a red banner on the top of its homepage that read “HERFF JONES CYBER SECURITY INCIDENT UPDATE.”  The company was the victim of a data breach that occurred between August 1, 2020, and April 30, 2021.  The attackers managed to place malware on the company’s servers that was then used to capture customer payment card information. This event resulted in a litigation suit affecting thousands of students and parents from across the country.