Data Breach 2024 List. The sec filing outlines the details. Cyberattacks and data breaches during the first half of 2024 have included the ransomware attacks against change healthcare and cdk, as well as data theft and.

Most significant cases of data breach worldwide as of january 2024 (in millions), by number of compromised data. Fortune 500 company prudential financial detected a breach on february 5, 2024, a day after suspected cybercriminals accessed company and employee data.