Data Breach 2024 List. 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 extortion attacks. What qualifies as a data breach?

Security researchers have discovered a massive data breach containing more than 26 billion records — a hacker’s trove of records compiled from linkedin,. If you received a data breach letter from any of these companies, you may be owed.