In January 2020, the national restaurant chain alerted customers to a data breach that could have exposed their credit-card information. The company explained that they had implemented advanced security on their main point-of sale system, featuring en...
In October 2025, a cyber attack targeting Askul Corp., a key supplier for numerous Japanese retailers, has led to significant disruptions in e-commerce and logistics operations. Major retailers, including Ryohin Keikaku Co. (owner of Muji), The Loft C...
In January 2025, Zallaf Libya Oil and Gas Exploration, Production and Refining Company successfully thwarted a phishing attack targeting its systems. The company's cyber security team detected the threat in its initial phases, enabling them to impleme...
In January 2025, Gas Express, LLC disclosed a data breach that compromised the sensitive personal data of numerous individuals, raising concerns about the security of information entrusted to the company. Following the discovery of a security incident...
In early January 2025, the peer-to-peer cryptocurrency trading platform NoOnes suffered a security breach resulting in the loss of approximately $8 million in crypto assets. CEO Ray Youssef confirmed the hack, which stemmed from an exploit in the plat...
In January 2025, Runway Hair Design, a hair salon in Strathmore, experienced a significant disruption to its operations due to a cyberattack. The incident, which began on Tuesday, January 21st, forced the salon to close for several days after its book...
In January 2025, Crunchyroll, a prominent anime streaming service, addressed rumors of a security breach and assured its subscribers that its systems remained secure. The company released a statement acknowledging that login credentials for several st...
On January 27, 2025, Frederick Health, a Maryland healthcare provider operating over two dozen hospitals, hospices, and other healthcare facilities, discovered suspicious activity affecting its IT systems and confirmed it was the result of a ransomwar...
In January 2025, Regional Obstetrical Consultants PC (ROC) announced a data breach stemming from unauthorized access to its computer network. The incident, which was first detected on May 6, 2024, involved an external party gaining access to files con...
In January 2025, American National Insurance Company (ANICO) faced a data leak potentially stemming from the 2023 MOVEit breach. Cybersecurity researchers discovered over 270,000 lines of ANICO customer data on a dark web forum, including customer and...
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: