In 2017, the WannaCry ransomware attack prompted many organizations to reassess their cybersecurity posture, including Aston Martin. Although unaffected by WannaCry, Aston Martin realized its existing anti-malware solution was inadequate. They initiat...
In July 2019, cloud hosting provider iNSYNQ experienced a ransomware attack that significantly impacted their operations and customer data. The attack, later identified as the MegaCortex ransomware, was executed by a sophisticated criminal organizatio...
In December 2025, the Health Service Executive (HSE) confirmed that they were targeted by a second ransomware attack in February of the same year. This attack, which targeted a third-party processor, resulted in a data protection breach reported by HS...
Retina Group of Washington (RGW), a healthcare provider, experienced a cybersecurity breach that affected a significant number of patients. On March 26, 2023, RGW detected unusual activity on its systems, hindering their access to information. An inve...
In December 2022, the company disclosed that they had detected unusual activity within portions of their development environment. After initiating an investigation, they determined that an unauthorised party gained access through a single compromised ...
In March 2025, Sydney Tools, a major Australian professional tools reseller, experienced a significant cyber breach that exposed a substantial amount of sensitive customer and employee data. A Cybernews research team discovered that over 34 million on...
In March 2025, New York University (NYU) experienced a significant cyber security incident where a hacker gained control of the university's website for approximately two hours. During this time, the attacker exposed the data of over three million app...
In December 2024, Three Rivers Hospital experienced a data breach through CPS Solutions, a company that manages its pharmacy operations. CPS Solutions discovered unauthorized third-party access to an employee's business email account between December ...
Whitman County Public Hospital No. 3 (WHMC) experienced a cyber attack on February 28th, perpetrated by the RansomHub group, a ransomware-as-a-service variant that has targeted numerous critical infrastructure sectors. The hospital detected the attack...
In November and December of 2025, OnSolve CodeRED, a widely used emergency notification system, experienced a nationwide cyberattack that compromised user data and disrupted services for numerous state and local government agencies across the United S...
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: