In 2025, York County, Pennsylvania, experienced two separate data security incidents that potentially compromised the personal information of its residents. The first incident, discovered in early 2025, involved a data privacy event with a vendor cont...
In May 2023, the company disclosed that its Information Services department detected suspicious network activity and was notified of the receipt of a fax comprising threats and demands. While systems remained operational their cyber-security exper...
The Port of Nagoya, Japan's largest maritime port, experienced a significant disruption due to a ransomware attack attributed to the Russia-based hacking group Lockbit 3.0. This cyberattack led to a temporary shutdown of port operations, causing conce...
In January 2026, Strauss Borrelli PLLC announced an investigation into a data breach affecting Columbia Medical Practice, a healthcare organization based in Maryland. The breach, which impacted approximately 3,000 individuals, involved the potential c...
In August of 2025, Diversified Benefit Services Insurance Marketing, Inc. (DBS) detected suspicious activity within its email environment, ultimately leading to the discovery of a data breach. An unauthorized actor gained access to the company's email...
In January 2026, Venezia Bulk Transport Inc., a Pennsylvania-based trucking and bulk transport company, disclosed a data breach that affected 6,987 individuals. The unauthorized access to Venezia's network occurred between August 5 and August 13, 2025...
GiaCare, Inc., a Florida-based healthcare staffing and IT provider and a subcontractor to GiaMed Alliance JV, LLC, experienced a data breach in December 2025. The breach involved sensitive personal information belonging to an undetermined number of in...
In January 2026, KPMG Netherlands was allegedly targeted by the Nova ransomware group, with claims of sensitive data access and exfiltration. The incident was reported by ransomware monitoring services on January 23, 2026, with the attackers asserting...
Melwood, Inc., a Maryland-based employment and support service company for people with disabilities, reported a data breach in which sensitive personal information belonging to an undetermined number of individuals was potentially compromised. The inc...
Cytek Biosciences, a California-based flow cytometry manufacturer and supplier, experienced a data breach in November 2025, potentially compromising the sensitive personal and protected health information of an undetermined number of individuals. The ...
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: