In January 2025, Cell C, the fourth largest mobile network operator in South Africa, experienced a cybersecurity incident resulting in unauthorized access to their IT network. While the initial scope of the breach was unclear, Cell C confirmed that an...
NetJets Inc., a private jet company owned by Berkshire Hathaway, experienced a data breach that compromised client information. The incident occurred last month when a hacker gained access to NetJet's systems by using a phishing attack. An employee's ...
AOD Federal Credit Union (AODFCU) experienced a security incident on August 9, 2024, resulting in the compromise of sensitive personal data belonging to individuals. An investigation revealed that an unauthorized third party accessed AODFCU's systems ...
JPW Industries, Inc. experienced a data breach starting on February 3, 2025, when a computer virus impacted its computer systems. An investigation revealed that an unauthorized third party may have accessed and copied sensitive personal information, i...
Eisner Advisory Group, LLC's Minneapolis office experienced a data breach in September 2023, potentially compromising client personal information. The compromised data includes names, Social Security numbers, driver's license or state identification d...
H2O.ai, a company providing data science and machine learning platforms, experienced a data breach between December 20, 2024, and January 29, 2025. The breach was discovered on February 18, 2025, when a group motivated by financial gain claimed to hav...
In November 2024, the Fourlis Group, which operates IKEA stores in Greece, Cyprus, Romania, and Bulgaria, experienced a ransomware attack that primarily impacted its IKEA operations, particularly online stores. The attack occurred shortly before Black...
In April 2025, Maryhaven, a central Ohio addiction treatment center, publicly announced a data breach incident. On June 1, 2024, Maryhaven discovered unauthorized activity within its network. An investigation revealed that an unauthorized actor gained...
A threat actor claims to have breached Wolters Kluwer, a financial software company with nearly \$7 billion in annual revenue, and is offering the stolen data for sale for \$15,000. The threat actor claims the data is being sold only once. The alleged...
On January 14, 2025, Morton Golf LLC experienced a data breach that exposed sensitive personal and protected health information of many individuals. The breach was discovered by Morton Golf on their internal network systems. An investigation assisted ...
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: