In February 2024, the City of Hamilton experienced a significant cybersecurity incident that severely impacted its phone and email systems. This incident, later confirmed to be a ransomware attack, crippled numerous public services, leading to widespr...
In August 2025, Pandora, the global jewelry brand, confirmed it experienced a cyber security attack where customer data was accessed through a third-party platform, identified as Salesforce. The company notified customers via email, assuring them that...
In August 2025, Bouygues Telecom, the third-largest telecommunications company in France, confirmed a significant cyberattack resulting in a data breach that compromised the personal information of 6.4 million customers. The breach, detected on August...
In August 2025, Pakistan Petroleum Limited (PPL) was targeted in a cyberattack involving ransomware, which disrupted the company's IT systems, particularly those related to oil and gas sales. The attackers, identifying themselves as "Blue Locker," dem...
In August 2025, Chanel Inc. disclosed a data breach affecting a U.S. client care database hosted by a third-party service provider, later identified as Salesforce. The breach, detected on July 25, exposed limited personal details of individuals who co...
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 August 2025, a data breach at Inflite The Jet Centre Ltd, a sub-contractor to a Ministry of Defence (MoD) supplier, has potentially exposed the personal details of up to 3,700 individuals, including Afghans resettled in the UK, British troops, civi...
In August 2025, the Canadian House of Commons experienced a significant data breach after a cyberattack exploited a recent Microsoft vulnerability. The breach, which occurred on Friday, August 9th, was discovered and reported to employees on Monday, A...
In July 2025, the city of St. Paul, Minnesota, was hit by a significant cyberattack that led to the activation of the Minnesota National Guard and the declaration of a state of emergency in Ramsey County. The attack forced the shutdown of many interne...
In December 2024, Kokomo Solutions, Inc., an Illinois-based education technology company also known as Kokomo 24/7, experienced a data breach that compromised the sensitive information of Los Angeles Unified School District (LAUSD) students. The breac...
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: