What the TransUnion breach teaches us about the need for Digital Forensics and Incident Response (DFIR)

On July 28, 2025, TransUnion disclosed a data breach affecting more than 4.4 million individuals. It exposed names, Social Security numbers, and dates of birth….

On July 28, 2025, TransUnion disclosed a data breach affecting more than 4.4 million individuals. It exposed names, Social Security numbers, and dates of birth. The compromise stemmed from a third-party application used in consumer support operations. Although no credit data was involved, the exposed information is highly sensitive and can be used to facilitate identity theft and fraud.

The TransUnion breach highlights a serious reality for all enterprises. Attackers are increasingly targeting endpoints and third-party systems as entry points into critical environments. And when personal data is exposed at this scale, speed, visibility, and defensibility become non-negotiable for security teams.

This blog explores how OpenText DFIR solutions address the type of challenges surfaced by the TransUnion event. It covers lessons security leaders ...