In August 2021, Chanel Korea, the South Korean branch of the French luxury brand Chanel, experienced a cybersecurity breach. Hackers targeted the company's customer database for its Fragrance and Beauty division, resulting in the unauthorized access a...
In July 2025, Waratah Capital Advisors, a Toronto-based hedge fund manager overseeing CAD4 billion in assets, disclosed a cybersecurity breach that potentially compromised sensitive client information. The breach was discovered on June 24 and involved...
In July 2025, France Travail, the French public employment agency, experienced its second data breach in just over a year. This latest incident, discovered on July 12 by the French Computer Emergency Response Team (CERT-FR), involved unauthorized acce...
In July 2025, Infinite Services, a New York-based provider of various therapies, including physical, speech, occupational, and counseling services, discovered a ransomware attack that occurred in May 2025. The incident began when employees experienced...
In April 2025, Pike County discovered that its third-party IT provider was the victim of a ransomware attack. Upon learning of the breach, the county initiated an investigation, enlisting the expertise of cybersecurity and data forensics consultants. ...
In July 2025, Tea, a women-only dating safety app, experienced a significant data breach that exposed approximately 72,000 user images. The breach included 13,000 verification selfies and government-issued identification photos, along with 59,000 imag...
In July 2025, Naval Group, a major French shipbuilder and defense contractor, became the target of a significant cyberattack. A threat actor, identified as 'Neferpitou,' claimed to have exfiltrated 1TB of sensitive data, including source code for comb...
In April 2025, the Medusa ransomware group claimed responsibility for a cyberattack against the National Association for Stock Car Auto Racing (NASCAR), demanding a $4 million ransom to prevent the release of stolen data. NASCAR became aware of the br...
In July 2025, Aeroflot, Russia's flagship airline, experienced a significant disruption to its flight schedule due to a cyberattack. The airline was forced to cancel dozens of flights, primarily domestic routes, causing chaos at Moscow's Sheremetyevo ...
In July 2025, Allianz Life Insurance Company of North America confirmed a significant data breach impacting the personal information of the majority of its 1.4 million customers, as well as financial professionals and select employees. The breach occu...
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: