A newly circulating AT&T-linked dataset shows how “old” breach data of reportedly 176 million records can become more dangerous over time. Criminals are assembling profiles instead of having only isolated details by combining personal data from separate breaches to commit high-impact fraud. The takeaway for security leaders is that, given past breaches don’t fade but rather compound further the risk of fraud, it is more important than ever to be vigilant, utilize multiple factors of authentication and other account protections. https://www.malwarebytes.com/blog/news/2026/02/att-breach-data-resurfaces-with-new-risks-for-customers