CoVantage Credit Union
August 14, 2025
•[ data leak, third-party breach ]
CoVantage reported a data breach originating at its third-party vendor, Marquis Software Solutions. CoVantage learned on 08/14/2025 that Marquis experienced a cybersecurity incident affecting its internal environment, and Marquis later determined that files containing CoVantage customer information had been accessed or acquired. CoVantage filed notice with the Maine Attorney General and began notifying affected individuals on 11/26/2025.
Personic Management Company LLC d/b/a Personic Health
August 29, 2025
•[ data leak, healthcare, third-party breach ]
Healthcare management firm Personic Management Company (Personic Health) reported that an unauthorized actor accessed a third-party software platform used to process patient information on August 29, 2025. The intrusion, discovered on September 1, enabled the attacker to obtain data containing patients names and associated protected health information from Personic-affiliated providers. After engaging external cybersecurity experts and notifying law enforcement, Personic filed breach notices with state regulators and began sending letters to impacted individuals, warning them about identity-theft risks and the potential misuse of their medical data.
American Israel Public Affairs Committee (AIPAC)
February 6, 2025
•[ data leak, third-party breach ]
AIPAC reported that a criminal cyberattack on a third party led to unauthorized access to files on its own information systems from October 2024 through February 2025 and a review later determined that personal identifiers for 810 individuals had been taken prompting notification letters and additional security controls
Toppan Next Tech
April 7, 2025
•[ ransomware, data leak, third-party breach ]
A ransomware attack on DBS Bank's third-party printing vendor Toppan Next Tech in Singapore led to the potential exposure of around 8,200 DBS customer statements and related letters, mostly for DBS Vickers trading and Cashline loan accounts. The attacker compromised Toppan's systems, leaving encrypted statement files potentially accessible, but DBS' own banking infrastructure and customer funds remained unaffected. Exposed data in the printed correspondence includes customers' names, mailing addresses and details of equity holdings or loan accounts, while passwords, government ID numbers and balances were not part of the leak. Authorities and cybersecurity agencies are assisting the investigation as DBS halts work with the vendor and notifies affected customers.
ModMed (Modernizing Medicine)
October 24, 2025
•[ data leak, healthcare, third-party breach ]
Modernizing Medicine (ModMed) said it discovered unauthorized activity on July 29, 2025, and confirmed that attackers had accessed and exfiltrated data from servers hosting podiatry-client EHR information between July 910. Exposed fields include full names, addresses, DOB, SSNs, contact details, health insurance info, medical record and patient account numbers, dates of service, providers/practices, billing/diagnostic codes, prescription/medication data, and diagnosis/treatment information; providers were notified on September 19 and patients on October 17. Days later, a seller advertised a partial EHR database (1,0001,500 podiatry patient records) on a breach forum/Telegram, indicating financially motivated data trafficking, though ModMed has not confirmed a second intrusion. Overall impact: large-scale PHI exposure from vendor-hosted servers, with evidence of downstream data sale attempts.
Dodd Group
October 19, 2025
•[ data leak, third-party breach ]
Report claims Russian group accessed contractor and leaked MoD base documents
Discord
October 3, 2025
•[ data leak, third-party breach ]
Third-party customer support vendor was breached, exposing support tickets, personal data, limited billing details, and a small number of government-ID images; Discord core systems unaffected.
Windsor International Airport
October 14, 2025
•[ hacktivism, unauthorized access, third-party breach ]
Unauthorized pro-Palestinian messages played; one Delta flight delayed; third-party cloud PA cited
Renault UK
October 3, 2025
•[ data leak, third-party breach ]
Third-party service provider breach affecting Renault UK customer records; exposed contact and vehicle identifiers; Renault says own systems not compromised.
With Intelligence Ltd. (via third-party PeopleCheck)
June 28, 2025
•[ data leak, third-party breach, compromised credentials ]
On June 28, 2025, threat actors using compromised login credentials accessed PeopleCheck systems, a third-party provider for With Intelligence Ltd., resulting in exposure of sensitive personal information of job candidates and employeesincluding SSNs and birth dates. No evidence of data encryption or disruption. With Intelligence notified the affected parties by July 11, 2025 and provided 24 months of credit monitoring.
MainStreet Bank (via third-party vendor)
March 4, 2025
•[ data leak, third-party breach ]
MainStreet Bancshares (Nasdaq: MNSB & MNSBP), the financial holding company behind MainStreet Bank, has disclosed a data breach impacting some of its customers.
Tiffany & Co.
May 26, 2025
•[ data leak, third-party breach ]
Selected Tiffany Korea customers notified of unauthorized access to a vendor system used for customer data; reporting to date only confirms impact on Korean/Chinese customers and does not indicate EU/US exposure or operational disruption.
Harbin Clinic
July 1, 2024
•[ data leak, third-party breach ]
Third-party breach at Nationwide Recovery Services (July 2024) led to theft of Harbin Clinic patient data; disclosures and notifications in May 2025.
Lee University
March 22, 2024
•[ data leak, third-party breach ]
University filed notices after third-party software exploit enabled data access.
Beacon Health Three Rivers
December 2, 2024
•[ unauthorized access, third-party breach ]
Vendor Cps Solutions reported unauthorized email access Dec 24; hospital notified patients.
Intellihartx, LLC (vendor for Arkansas Heart Hospital LLC)
February 20, 2025
•[ data leak, third-party breach ]
Intellihartx, LLC, a healthcare revenue-cycle and patient engagement vendor for Arkansas Heart Hospital, reported that unauthorized actors accessed and exfiltrated files from its systems between January 22 and February 20 2025. The vendors Maine Attorney General notice states 1,674,294 individuals were affected across its clients. Exposed data included names, Social Security numbers, dates of birth, contact information, and medical and insurance details for patients linked to Arkansas Heart Hospital.
Stubhub
March 6, 2025
•[ vulnerability exploitation, data leak, third-party breach ]
A cybercrime group exploited a URL redirection vulnerability in a third-party contractor system for StubHub to steal around 1,000 digital tickets for major events, including Taylor Swifts Eras Tour. The stolen tickets, valued at approximately $635,000, were resold online for profit. The scheme operated between June 2022 and July 2023 before being uncovered through a coordinated investigation by cybersecurity and law enforcement agencies. Two individuals, Tyrone Rose and Shamara P. Simmons, were arrested and charged with grand larceny, identity theft, and computer tampering in connection with the operation.
Phoenix Rehabilitation & Nursing Center
July 20, 2024
•[ data leak, third-party breach ]
Third-party vendor breach exposed PHI/PII for Phoenix Rehab; access confirmed July 20, 2024; notifications sent Jan 28, 2025.
Western Alliance Bank
March 18, 2025
•[ data leak, third-party breach ]
Western Alliance Bank notified 21,899 customers that their personal information was stolen after a breach of a third-party secure file transfer system. The breach occurred between October 12 and October 24, 2024, and exposed names, Social Security numbers, dates of birth, financial account numbers, drivers licence numbers, tax IDs and/or passport information. The company found no evidence of fraudulent use yet and is providing one year of complimentary credit monitoring to those impacted.
Chicago Public Schools
March 7, 2025
•[ data leak, third-party breach ]
Vendor Software Exploited Led To Exposure Of Chicago Public Schools Student Information.
