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Health Researchers Often Overlook Security of Historical DatasetsAn August 2025 ransomware attack on the University of Hawaii Cancer Center's epidemiology division has affected 1.2 million individuals, including personal information such as Social Security numbers of certain research study participants dating back more than 30 years.
Also, CIRO Phishing Breach, Ingram Micro Ransomware and CVE SurgeThis week, DOGE posted sensitive data on an outside server. A phishing attack affected 750,000 Canadians. A hacktivism warning from the U.K. NCSC. An Ingram Micro breach. CVEs surged in 2025. SK Telecom challenged a fine. Researchers disclosed Chainlit flaws. North Korean hackers abused VS Code.
University of Hawaii says a ransomware gang breached its Cancer Center in August 2025, stealing data of study participants, including documents from the 1990s containing Social Security numbers. [...]
Marquis Software Solutions Says Ransomware Group Hit SonicWall Device, Stole DataMarketing and compliance software maker Marquis Software Solutions, which counts over 700 banks and credit unions as customers, said a ransomware group breached its SonicWall firewall and stole hundreds of thousands of individuals' personal details, including Social Security numbers.
Personal Data Stolen in Ransomware Hit, Says Dutch Owner of Stop & Shop, Giant FoodFood retail giant Ahold Delhaize USA is notifying 2.2 million current and former employees, as well as an unspecified number of employees in the Netherlands, that a November 2024 data breach exposed their personally identifiable information, including Social Security numbers and medical details.
American Addiction Centers Says 422,424 Individuals' Private Details ExposedSubstance abuse treatment company American Addiction Centers is warning nearly half a million patients that ransomware-wielding attackers stole their personal details, including names and Social Security numbers. The Rhysida ransomware operation claimed to perpetrate the attack.
InfoSys McCamish Systems Earlier Alerted 57,000 Bank of America Clients of BreachInfosys McCamish Systems, an insurance software product and services vendor, is notifying nearly 6.1 million people of a 2023 ransomware incident that potentially comprised their sensitive data, including Social Security numbers, medical treatment, and financial and biometric information.
Car manufacturer Nissan revealed that over 53,000 of its North America employees had their social security numbers accessed by a ransomware attacker
27,000 individuals had data stolen, which for some included names and social security numbers Stanford University says the cybersecurity incident it dealt with last year was indeed ransomware, which it failed to spot for more than four months.…
An attack on a technology partner claimed by LockBit ransomware exposed sensitive information, including Social Security numbers, of more than 57,000 banking customers.
California Firm Said August Attack Affected Clients' DataA California insurance broker that handles employee benefits, workers' compensation and property liability is notifying more than 1.5 million individuals about a ransomware/data exfiltration attack last August that involved health insurance information, passport numbers and Social Security numbers.
The Rhysida ransomware gang has claimed responsibility for the massive cyberattack on Prospect Medical Holdings, claiming to have stolen 500,000 social security numbers, corporate documents, and patient records. [...]
With the leak of information such as Social Security numbers, in addition to other protected information, 600,000 of the nearly 2.5 million affected are at risk for identity theft.
The information includes names, test information and 600,000 Social Security numbers
Los Angeles Unified School District (LAUSD), the second-largest school district in the United States, says the Vice Society ransomware gang has stolen files containing contractors' personal information, including Social Security Numbers (SSNs). [...]
The P in PFC now stands for Pwned Professional Finance Company, a Colorado-based debt collector whose customers include hundreds of US hospitals, medical clinics, and dental groups, recently disclosed that more than 1.9 million people's private data – including names, addresses, social security numbers and health records – was exposed during a ransomware infection.…
All computer systems on the network of Costa Rica's public health service (known as Costa Rican Social Security Fund or CCCS) are now offline following a Hive ransomware attack that hit them this morning. [...]