Citibank, N.A., the primary banking subsidiary of Citigroup in the United States, is currently the subject of a formal investigation by the law firm Federman and Sherwood. This legal inquiry follows a data breach notification filed in Massachusetts in...
Heber City, the seat of Wasatch County in northern Utah’s Heber Valley, recently experienced a significant cyberattack targeting its local government network. The breach was first detected on a Saturday in October 2026, prompting an immediate and coor...
Anne Arundel County, Maryland, is currently managing the fallout from a significant cybersecurity incident discovered on August 28, 2026. This event involved unauthorized access to a limited number of systems within the county computer network, result...
In October 2026, a significant data breach was reported involving zizzl health, a Milwaukee-based health insurance administrator and technology company. The incident has prompted a formal legal investigation by the law firm Ademi LLP to determine if t...
American Golf recently experienced a significant data security incident involving its Custom Fit system. The breach occurred when an unauthorized third party gained access to a database containing sensitive customer information. The company identified...
Arcadia Inc., a prominent information distribution service provider based in Osaka, Japan, has reported a major cybersecurity incident involving unauthorized access to its internal computer systems. The firm plays a critical role in public safety by a...
Holton Community Hospital recently disclosed a data security incident that resulted in the exposure of personal information belonging to a portion of its patient population. This breach was not the result of a direct attack on the hospital’s internal ...
In October 2026, federal authorities executed the arrest of Edward Dubrovsky, a 54-year-old Canadian cybersecurity executive, in Pennsylvania. Dubrovsky is a well-known figure in the industry, having served as the chief operating officer and founder o...
The Housing Ombudsman Service has officially confirmed that it is currently navigating a significant cyber security incident that has forced the suspension of its critical online infrastructure. This breach has specifically targeted and affected the o...
Meta Platforms Inc. recently confirmed a security incident involving unauthorized access to its GitHub repositories, impacting approximately 1,500 individuals, the majority of whom are employees based in the United States. The intrusion, which was det...
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: