Bitonic, a prominent Dutch Bitcoin company headquartered in Amsterdam, recently experienced a significant security breach that resulted in the unauthorized access of its internal systems and the subsequent theft of cryptocurrency from a limited number...
In October 2026, a series of significant cyber security incidents impacted the South Korean financial sector, with three major firms confirming breaches of customer data. Daishin Securities, Mirae Asset Global Investments, and the cryptocurrency excha...
In October 2026, a significant cyber-security incident targeted Femern Link Contractors, the primary contractor responsible for the construction of the Fehmarnbelt undersea tunnel connecting Denmark and Germany. This ambitious 18-kilometer infrastruct...
Denver Health Medical Plan, a non-profit managed care organization based in Colorado, recently reported a significant data breach to the U.S. Department of Health and Human Services Office for Civil Rights. The incident, classified as a hacking or IT ...
NorthShore Health Centers, a nonprofit healthcare organization serving patients across Porter, Lake, La Porte, and Jasper Counties in Northwest Indiana, recently disclosed a significant cybersecurity incident that compromised patient data. The breach ...
G&H Distributing, a family-owned business based in Sioux Falls, experienced a significant ransomware attack that disrupted its operations and served as a critical case study for small business cybersecurity. The incident began on a Friday morning when...
ENGIE, a prominent French energy giant and one of the world's largest providers of power and natural gas, recently disclosed a significant data breach affecting its customer base. The company, which maintains a global presence in thirty countries and ...
On October 23, 2026, the Majinahanashi ransomware group publicly declared responsibility for a targeted cyberattack against Bi-silque, a prominent manufacturing firm headquartered in Portugal. The attackers utilized an extortion notice to communicate ...
Trinity Health, a prominent nonprofit Catholic health system headquartered in Livonia, Michigan, has officially disclosed a data breach that has impacted a significant number of individuals across the United States. The organization reported the incid...
In October 2026, a significant cyber security incident impacted the Australian hospitality sector, primarily centered on a breach of RMS, a major provider of booking and reservation management software. RMS supports over 6,000 hotels, holiday parks, a...
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: