Unnamed third-party software services vendor used by The Oncology Institute
November 19, 2024
•[ third-party breach, unauthorized access, healthcare data ]
On May 20, 2026, Kroll, acting as third-party administrator for an unnamed vendor used by The Oncology Institute, notified the company that the vendor had detected unauthorized third-party access to certain vendor information systems, including systems affecting The Oncology Institute patient data. The vendor was not publicly named, though reporting identified TriZetto Provider Solutions as a possible candidate. If the incident is TriZetto-related, unauthorized access began on November 19, 2024 and the broader TriZetto breach affected 3,433,965 individuals; the number of affected The Oncology Institute patients was not publicly reported. The Oncology Institute said its own systems were not subject to unauthorized access.
Village of Chase
May 19, 2026
•[ Business Email Compromise (BEC), Fraud, Financial Loss ]
A vendors email account was compromised, causing the Village of Chase to send a payment to fraudulent bank details, resulting in a loss of $44,536; most of the funds were recovered and the loss was covered by prioryear surplus.
NYC Health + Hospitals
November 25, 2025
•[ third-party breach, healthcare data, biometric data ]
Unauthorized actors accessed NYC Health + Hospitals systems through a third-party vendor between approximately November 25, 2025 and February 2026, exposing personal, medical, health insurance, biometric, and financial information of approximately 1.8 million individuals.
DocketWise
September 1, 2025
•[ unauthorized access, third-party breach, credential theft ]
DocketWise discovered unauthorized access to a third-party partner repository used in a data migration pipeline; an unauthorized actor used valid credentials to clone repositories containing law-firm customer records and personal information of their clients.
Inditex (Zara owner)
April 15, 2026
•[ unauthorized access, third-party breach, customer transaction information ]
Inditex reported unauthorized access to third-party-hosted databases containing customer transaction information; the company said the affected databases did not contain addresses, passwords, or bank card details and that it applied security protocols and notified authorities.
Rockstar Games
April 11, 2026
•[ data breach, third-party breach, SaaS breach ]
ShinyHunters claimed it stole nearly 80 million business records from Rockstar Games through a third-party SaaS/Snowflake-related breach; Rockstar said only a limited amount of non-material company information was accessed and that there was no impact on operations or players.
Los Angeles City Attorney’s Office
March 20, 2026
•[ data leak, unauthorized access, third-party breach ]
World Leaks posted an archive of approximately 7.7 TB / 337,000 files after unauthorized access to a third-party discovery-transfer tool used by the Los Angeles City Attorneys Office; the data included LAPD civil litigation discovery files, personnel and disciplinary records, witness information, medical information, and investigative materials, while LAPD said its own systems were not breached.
Vimeo
April 28, 2026
•[ extortion, data leak, third-party breach ]
In April 2026, the ShinyHunters extortion group listed Vimeo on their extortion portal as part of their "pay or leak" campaign. They subsequently published hundreds of gigabytes of data, predominantly consisting of video titles, technical data and metadata. The data also included 119k unique email addresses, sometimes accompanied by names. Vimeo attributed the exposure to a breach of Anodot, a third-party analytics vendor, and advised the incident does not include "Vimeo video content, valid user login credentials, or payment card information".
Cuero Chamber of Commerce
January 26, 2026
•[ malware, social engineering, ClickFix ]
The Cuero Chamber of Commerce reported a malware/social engineering incident affecting its web properties after a customer noticed suspicious activity in an email sent January 26. The chamber said users registering for an event were shown a CAPTCHA prompt and then instructed to press Windows+R and paste/run contentbehavior consistent with ClickFix social engineering designed to trick victims into executing malicious commands on their own devices. The chamber stated that the Cuero Development Corporation website was the only confirmed security breach and that significant data loss occurred, and it believed the malware was introduced via a third-party platform (Shopify) used for event registration. The chamber said it could not determine how many people or organizations were affected and implemented additional safeguards.
Canada Goose
August 1, 2025
•[ data leak, third-party breach, customer records ]
BleepingComputer reported that Canada Goose was investigating after ShinyHunters leaked more than 600,000 customer records. Canada Goose said it had not found evidence its own systems were breached and believed the data related to past customer transactions. ShinyHunters told BleepingComputer the dataset was unrelated to recent SSO attacks and claimed it originated from a third-party payment processor breach and dates back to August 2025. The exposed data was described as including purchase history plus device/browser information and order values; it did not appear to include full payment card numbers.
Mutua Madrileña
September 27, 2024
•[ cyber attack, data leak, third-party breach ]
Mutua Madrilea suffers a cyber attack on its home customer base, through an external provider, which affects thousands of customers.
Canada Goose
July 4, 2025
•[ data leak, third-party breach, customer records ]
In February 2026, a data breach allegedly containing data relating to Canada Goose customers was published publicly. The data contained 920k records with 582k unique email addresses and included names, phone numbers, IP addresses, physical addresses and partial credit card data, specifically card type and last 4 digits. Canada Goose advised that the data "appears to relate to past customer transactions" and stated that it originated from a breach at a third party in August 2025. The most recent transaction date in the data is July 2025.
French Office for Immigration and Integration (OFII)
January 1, 2026
•[ data leak, hacking, third-party breach ]
A hacker posted samples of foreigners personal data online on January 1, 2026, stating on a specialist forum that the information was obtained by hacking the French Office for Immigration and Integration (OFII) and that the motive was profit. Reporting described two posted samples: one with fewer than 1,000 foreign nationals and another involving 600 Israelis currently or previously residing in France, with fields such as names, date of entry, status/reasons for stay, email addresses, and phone numbers. OFII confirmed a data theft but said the intrusion was linked to a subcontractor/operator with access to OFII data rather than directly compromising OFIIs information system.
Goldman Sachs (via Fried Frank Harris Shriver & Jacobson LLP)
December 19, 2025
•[ data leak, third-party breach ]
Goldman Sachs notified clients that some client data may have been exposed following a cybersecurity incident at its external law firm, Fried Frank; Goldman stated its own systems were not compromised.
Vitas Hospice
September 21, 2025
•[ data leak, third-party breach, healthcare ]
Vitas Hospice Services (Vitas Healthcare) detected a cybersecurity intrusion on 10/24/2025. According to the organizations breach notice and subsequent reporting, the threat actor gained access to certain Vitas systems by using a compromised third-party vendor account. The unauthorized access persisted from approximately 09/21/2025 through 10/27/2025, and the attacker downloaded files containing personal information of current and former patients. Exposed data elements included identifiers (name, address, phone number, date of birth), government identifiers (drivers license number and Social Security number), and protected health information such as medical and insurance details, plus next-of-kin contact information. Government breach tracking and reporting indicated 319,177 individuals were affected. Vitas stated it took steps to secure systems, investigate, and notify impacted individuals, though the specific malware or group responsible was not publicly identified.
Health Service Executive (HSE) – primary care services, Midlands (third-party processor)
January 2, 2025
•[ ransomware, data breach, third-party breach ]
DataBreaches summarized reporting that the Irish Health Service Executive confirmed a second ransomware attack occurred in February 2025, targeting a third-party processor and resulting in a data protection breach reported by HSE primary care services in the Midlands. The HSE stated there was no evidence that patients data was stolen in the incident, and the brief report did not describe prolonged operational disruption or specify what systems were encrypted. Based on the confirmation of a ransomware incident affecting a processor, this is coded as a disruptive event with limited publicly available detail on scope and duration.
Truenorth Corporation
November 25, 2025
•[ ransomware, third-party breach, government ]
Puerto Rico officials reported a Thanksgiving-week cyberattack targeting IT contractor Truenorth Corporation that briefly disrupted systems used by three major agencies: the Department of Education, the Puerto Rico Health Insurance Administration (ASES), and the State Insurance Fund Corporation (CFSE). Reporting cited an independent cybersecurity source describing the incident as ransomware detected on Nov. 25, 2025, with rapid ripple effects into those agencies systems. Officials stated citizen data was not compromised, and other agencies under Truenorth contracts (including the State Elections Commission) were reported as not affected. The events primary confirmed impact was short-term operational disruption across multiple government agencies tied to the vendors environment.
Industrial Credit Union of Whatcom County
August 14, 2025
•[ data leak, third-party breach ]
Industrial Credit Union of Whatcom County reported a data breach stemming from a security incident at a third-party communication delivery vendor that provides print and email services to financial institutions; the credit union stated its own systems were not breached. The potentially impacted data includes names, dates of birth, Social Security numbers, and financial/banking information. The credit union filed notice with the Washington State Attorney Generals office and began sending notification letters to impacted individuals on Nov. 26, 2025. Public reporting linked this incident to the Marquis Software Solutions vendor intrusion detected on Aug. 14, 2025.
Gold Coast Health Plan
October 21, 2024
•[ data leak, third-party breach, account takeover ]
Gold Coast Health Plan reported that a contracted vendor (Conduent Business Solutions) suffered a cyberattack involving compromise of a single employee email account, which allowed unauthorized access to certain files during a window from Oct. 21, 2024 to Jan. 13, 2025. The vendor discovered the incident on Jan. 13, 2025 and began an investigation with law enforcement notification. A later forensic review determined that information for 540 plan members could have been exposed, listing specific claim-related and membership data elements; the release stated that Social Security numbers and financial information were not accessed or disclosed.
Personic Management Company LLC
August 29, 2025
•[ data leak, unauthorized access, third-party breach ]
Personic reported unauthorized activity affecting a third-party software platform it used to process patient information. The company stated it became aware of the issue on September 1, 2025, and an investigation concluded an unauthorized actor accessed the platform on August 29, 2025 and obtained certain data. The public notice stated the impacted data may include names and protected health information. Personic reported filing a notice with the Maine Attorney Generals office and beginning notification of impacted individuals on November 18, 2025.
