All Breaches

Dutch telecommunications provider Odido suffered a cyberattack that exposed the personal data of 6.2 million customers. The company has issued warning...

On January 29, 2026, the Warlock ransomware gang (also tracked as Storm-2603) breached SmarterTools' network by exploiting an unpatched instance of th...

In February 2026, the online gaming platform Toy Battles experienced a data breach that exposed 1,017 user accounts. The compromised data included ema...

In October 2025, the publishing platform Substack experienced a data breach that exposed 663,121 account holder records. The compromised data included...

The RansomHub ransomware group claimed responsibility for a cyber-attack against Luxshare, a major electronics manufacturer that supplies components t...

Spanish energy company Endesa disclosed a data breach involving unauthorized access to a commercial platform used to manage customer information. Atta...

Manage My Health, New Zealand's largest patient portal, experienced a cyberattack in December 2025 that potentially exposed data of nearly 110,000 use...

In August 2026, Marquis Software, a vendor serving two US banks (Artisans' Bank and VeraBank), was compromised via a SonicWall vulnerability in a rans...

In January 2026, a dataset containing 17 million rows of public Instagram information was posted to a popular hacking forum. The data was allegedly sc...

In January 2026, Betterment, an automated investment platform, confirmed a data breach resulting from a social engineering attack. The incident expose...