In April 2021, Iran's Natanz uranium enrichment site experienced a significant power failure due to an explosion at the facility. The incident, which targeted the facility's independent internal power system responsible for supplying the underground c...
Between December 2017 and June 2018, a widespread security breach occurred in the Click2Gov online payment platform, impacting numerous cities across the United States. The breach affected residents who made one-time online payments for utility bills ...
In late 2020 and early 2021, Accellion, a file transfer service provider, experienced a significant cybersecurity breach that impacted numerous healthcare entities, including Trinity Health. Hackers exploited a zero-day vulnerability in Accellion's le...
In late 2024 and early 2025, Coinbase, a leading cryptocurrency exchange, experienced a significant data breach that compromised the personal information of nearly 70,000 users. The breach originated from a coordinated criminal campaign involving the ...
In February 2023, Robeson Health Care Corporation (RHCC), a healthcare system based in Pembroke, North Carolina, discovered malware in its computer systems. Following an investigation with the help of third-party forensic specialists, RHCC confirmed t...
In July 2025, a critical zero-day vulnerability in Microsoft SharePoint servers was actively exploited in a widespread global cyberattack, impacting an estimated 100 organizations, with potentially thousands more left vulnerable. The Cybersecurity and...
In June 2025, reports surfaced regarding a potential data breach at T-Mobile, with hackers claiming to have stolen 64 million customer records. The alleged breach included sensitive information such as full names, dates of birth, tax IDs, addresses, p...
In April 2025, Bartlesville Public Schools in Oklahoma experienced a significant cyber security incident that disrupted its digital infrastructure. The breach, which occurred around April 30, impacted the availability of many of the district's compute...
In March 2023, Sur La Table, a company that sells kitchenware and offers cooking classes, experienced a data breach. The breach occurred between March 15th and March 25th, 2023, when an unauthorized party gained access to files containing sensitive em...
In May 2025, two separate cyber security events involving potential data breaches at online platforms have come to light. The first incident involves the discovery of 1.6 million files allegedly belonging to customers of Etsy, Poshmark, and TikTok Sho...
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: