Data Breach News 2025 Lok. Cyberattacks and data breaches during the first half of 2025 have included the ransomware attacks against change healthcare and cdk, as well as data theft and. The threat actor claimed they had access to stolen data from the computer maker for 49 million customers and other information related to systems purchased from.
Most significant cases of data breach worldwide as of january 2025 (in millions), by number of compromised data records and individuals impacted. The number of publicly reported data compromises increased by 78% in 2023.