In August 2026, Windsor Regional Hospital and Erie Shores Healthcare experienced a significant disruption to their daily operations due to a widespread computer systems malfunction. The issue was first identified and reported on a Saturday morning, pr...
Luminis Health, a prominent regional healthcare provider in Maryland, recently disclosed a significant cybersecurity incident that has disrupted operations across its entire network. The attack, which became public in early September 2026, primarily a...
West Lawrence Water, located in Mount Hope, Alabama, recently experienced a significant security event involving both its information technology systems and a physical breach at one of its operational sites. Upon detecting the incident in August 2026,...
Williams Brothers Construction Co. Inc., a prominent highway construction firm based in Houston, Texas, recently disclosed a significant cybersecurity event involving unauthorized access to its internal computer network. The breach was initially detec...
In August 2026, reports surfaced regarding a significant cybersecurity incident involving Alphanumeric Systems, a company that provides critical technology and professional services to the healthcare and life sciences industries. The breach was first ...
Suntree Internal Medicine, a primary care and internal medicine medical practice based in Melbourne, Florida, has recently come under scrutiny following the report of a significant data breach. The incident was officially documented in a filing with t...
Heights Finance Holdings Co., a consumer lender based in Greenville, South Carolina, recently disclosed a significant cybersecurity incident that was discovered on May 7, 2026. The breach occurred when an unauthorized actor gained access to a cloud-ba...
WellPoint Texas Inc., a health benefits organization providing managed care services such as Medicaid plans, recently disclosed a significant cybersecurity incident that has impacted a large number of its members. On August 10, 2026, the company offic...
In August 2026, a threat actor known as TheHatman claimed to have exfiltrated approximately 1.7 million employee records from McDonald’s internal Azure tenant. The seller posted the data for private sale on a prominent data-trading forum, asserting th...
In mid-March 2023, Academy Mortgage experienced a data breach and ransomware attack perpetrated by the cybercriminal group AlphV, also known as Black Cat. The attackers infiltrated the network, installed malware, and used compromised credentials to di...
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: