In March 2024, France Travail, the French government employment agency, disclosed a significant data breach affecting an estimated 43 million individuals. This breach, the largest in France's history, involved the theft of personal information belong...
In July and August of 2025, Western Montana Mental Health Center (WMMHC) and Western Montana Clinic disclosed separate data breaches affecting a substantial number of individuals. WMMHC announced a breach stemming from suspicious activity detected on ...
In July 2025, Premier Health Partners, a healthcare provider in Southwestern Ohio, disclosed a significant data breach that occurred in July 2023. The breach involved unauthorized access to its systems between June 7 and July 12, 2023, potentially com...
In July 2025, a significant data leak was discovered at the Gladney Center for Adoption, a Texas-based adoption agency, exposing over 1.1 million records. Cybersecurity researcher Jeremiah Fowler discovered the unprotected database during a routine sc...
Mountain Laurel Dermatology recently reported a cybersecurity incident that compromised the personal information of an unspecified number of individuals. The breach potentially exposed sensitive data, including names, dates of birth, contact details, ...
In April 2024, Doyon, Ltd., an Alaska Native corporation based in Fairbanks, experienced a data breach that potentially compromised sensitive personal information, including social security numbers and health information, belonging to clients, employe...
In October 2025, the City of La Vergne experienced a cybersecurity incident that forced the city to take its systems offline starting October 17th. This resulted in the closure of city offices, including the library and city court, and impacted reside...
In July 2025, Velocity Risk Underwriters, LLC, a company specializing in property insurance for high-risk areas, announced a data breach that potentially compromised the personal information of tens of thousands of individuals. The breach was discover...
Crunchbase, a market intelligence firm, has confirmed a data breach in January 2026 after the cybercrime group ShinyHunters claimed responsibility for stealing over 2 million records from its systems. The attackers exfiltrated data from Crunchbase's c...
In July 2025, Tabb, Inc. disclosed a data breach that compromised the sensitive personal data of individuals. The breach, which was discovered on August 14, 2024, involved a database used to store background check data on behalf of Tabb's clients. An ...
Cyber Security Case Studies has worked with a number of groups to develop these risk effect categories which represent a plain-english description of the impacts seen in public cyber events alongside their definition: