Singapore-based telecommunications provider Simba recently disclosed a significant data breach that compromised the personal information of 23,549 customers. The incident was first discovered by the company on September 24, 2026, and was publicly anno...
The United States Department of Defense has confirmed a significant data breach involving the Defense Manpower Data Center, which serves as a central repository for military personnel records. The incident stemmed from a vulnerability in a file-sharin...
In September 2026, the International Meteor Organization, a Belgium-based nonprofit dedicated to coordinating meteor observations, suffered a significant cyberattack that dealt a critical blow to its aging digital infrastructure. The incident resulted...
In September 2026, the chief justices of Ontario’s three highest courts issued a public warning regarding a significant cybersecurity breach that potentially compromised personal information within the province's court records. The incident targeted t...
Hawaii Family Dental, the largest multi-specialty dental practice group in Hawaii, recently disclosed a significant data security incident that affected approximately 45,853 individuals. The organization, which operates under the Hawaii Dental Group, ...
In September 2026, Hilltop Bank, one of Wyoming’s largest independent financial institutions with over $1.1 billion in assets, experienced a significant cybersecurity incident that forced a near-total shutdown of its digital and physical operations. T...
Hibbett Retail, Inc., a major athletic footwear and apparel retailer, recently experienced a significant data breach that has prompted investigations by several national consumer protection and class action law firms. The security incident occurred ov...
Catalyst Brands LLC, a retail and apparel enterprise formed through a partnership between JCPenney and SPARC Group, recently experienced a significant data breach involving a ransomware incident. The security event targeted the company's human resourc...
Bimbo Bakeries USA, the largest commercial baking entity in the United States and a subsidiary of the global leader Grupo Bimbo, recently reported a significant data breach involving a third-party vendor. The incident was rooted in a zero-day vulnerab...
Life Bridges, Inc., a non-profit organization based in Cleveland, Tennessee, that supports adults aged eighteen and older with intellectual and developmental disabilities, has reported a significant data breach. This incident was officially disclosed ...
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: