Tag: PII

Hertz disclosed a breach affecting over a million people across Hertz, Dollar, and Thrifty brands. The root cause? Zero-day vulnerabilities in a third-party file transfer platform.

DISA Global Solutions runs background checks for tens of thousands of companies. The breach happened in April 2024. They didn't notify the 3.3 million affected people until February 2025.

PowerSchool serves over 60 million students across the U.S. and Canada. In January, attackers got in using compromised credentials to a support platform. That's it. One password.

Hot Topic just handed hackers a 730 GB database with nearly 57 million customer records. The asking price on the hacker forum? $20,000.

Pattern matching catches formats. Probabilistic models catch context. Learn how Naive Bayes, logistic regression, and CRFs improve PII detection accuracy and reduce false positives.