Pierce County Library System
April 15, 2025
•[ ransomware, data leak, service disruption ]
The Record reported that the Pierce County Library System discovered a cybersecurity incident on April 21, 2025 that forced it to shut down all systems, with an investigation later finding attackers had access between April 15 and April 21. By May 12, the library confirmed hackers breached systems and stole information on both patrons and current/former employees, and later breach notifications indicated more than 340,000 people were impacted. The report stated the INC ransomware gang claimed the attack in May, and the combination of service shutdown and confirmed data theft supports a mixed event involving disruption and data compromise.
City of Leavenworth (Kansas)
November 19, 2025
•[ cyberattack, network outage, ransomware ]
DataBreaches reported that Leavenworth, Kansas officials said a cyberattack caused a network outage on November 19, 2025 after computer and phone systems began failing late that morning. The city brought in outside IT experts and later confirmed on November 25 that the disruption stemmed from a cyberattack on the municipal internal network. As of the December 8 report, impacts were still ongoing for invoicing, permitting, and hiring systems, while emergency services were reported unaffected, and no ransomware or extortion group had publicly claimed responsibility.
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.
Virginia Urology
September 11, 2025
•[ data leak, ransomware ]
DataBreaches reported that threat actors calling themselves MS13-089 claimed they hacked Virginia Urology on November 9, 2025 and exfiltrated about 927 GB of data, while stating they did not encrypt systems so as not to harm the patients. The outlet reviewed sample files and described faxed referrals and medical reports whose filenames appeared to include patients names and dates of birth, with additional pages containing extensive protected health information such as insurance and contact details and clinical histories. Virginia Urology had not publicly confirmed the incident or responded to inquiries in the reporting, but the presence of leaked sample data indicates unauthorized access and exfiltration consistent with an exploitive breach.
Church of Scientology
August 12, 2025
•[ ransomware, data leak ]
heise reported that the ransomware-as-a-service group Qilin listed Scientology as a new victim on its darknet leak site and claimed to have stolen data from Scientologys UK IT systems. The article notes that screenshots suggest exposure of documents tied to UK visa cost approvals as well as lists of members including account balances and level within the organization, with entries not limited to the UK. No ransom demand amount or operational impacts were confirmed in the reporting, and the consequences for the organization were described as unclear.
Mobilelink US
February 12, 2025
•[ ransomware, data leak, unconfirmed breach ]
Cybernews reported that the DragonForce ransomware group claimed Mobilelink USA (a major Cricket Wireless dealer) as a victim and alleged theft of ~5TB of data with a threat to publish it. The report stated the leak-site post did not include proof samples or details of the allegedly stolen data, and Mobilelink had not confirmed the incident at the time of reporting.
Tri-Century Eye Care
March 9, 2025
•[ ransomware, data leak ]
Tri-Century Eye Care reported that it identified suspicious activity on September 3, 2025, secured its environment, and later determined on September 19, 2025 that an unknown actor gained unauthorized access to its network and acquired files containing personal and protected health information. The organization stated there was no evidence of access to its current electronic medical records system, but the acquired files may have included patient and employee identifiers (including SSNs and dates of birth) along with medical, insurance, and billing/payment information. Public reporting noted the incident impacts approximately 200,000 individuals and that the Pear ransomware group claimed responsibility and later published files allegedly stolen from Tri-Century.
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.
Mid South Pulmonary & Sleep Specialists (MSPS)
November 17, 2025
•[ ransomware, data leak, data breach ]
Reporting on Anubis RaaS described a severe ransomware incident affecting Mid South Pulmonary & Sleep Specialists (MSPS) in Tennessee. The threat actor claimed initial access on Nov. 10, 2025, spent about a week conducting internal reconnaissance and data theft, then paralyzed the organizations network in a single night. The group claimed to have encrypted MSPSs Nutanix systems and used a wiper to delete backups, leaving MSPS unable to restore systems; the actor also claimed exfiltration of roughly 860 GB and leakage of hundreds of gigabytes containing administrative records, insurance billing files, and extensive PII/PHI. MSPS had not publicly confirmed details in the reporting, but the described impacts suggest prolonged disruption and exposure of sensitive medical data.
Barts Health NHS
January 8, 2025
•[ ransomware, data leak, vulnerability exploit ]
Barts Health NHS Trust confirmed that the Cl0p ransomware group exploited a vulnerability in Oracle E-Business Suite to access and steal files from one of its invoice databases. The stolen material was described as including patient names and addresses associated with billed care, records related to former staff with unresolved salary issues, and supplier payment details (much of which is already public). The breach was reported as occurring in August 2025 and was not detected until later when data appeared on the threat actors leak site. Barts stated that core clinical systems and electronic patient records were not affected, and it reported the incident to relevant UK authorities and regulators while taking steps to limit further dissemination.
Ladies' College
June 24, 2024
•[ ransomware, weak passwords, mfa missing ]
The Ladies College reported that on June 24, 2024 it lost access to several on-premises servers and quickly determined that an unauthorized party had gained access and deployed ransomware that encrypted systems. Regulators concluded the school failed to properly secure remote access, used a weak administrator password without MFA, and was vulnerable to brute-force compromise; monitoring alerts existed but lacked effective notification. The investigation found no evidence that data was accessed or copied off the network, though the incident impacted availability and encrypted some limited personal data. The school self-reported and later implemented remedial security measures.
Asus
February 12, 2025
•[ ransomware, data leak ]
The Everest ransomware group claimed it obtained more than 1TB of ASUS-related data including phone camera source code and other internal materials. ASUS later confirmed that a supplier was hacked and that some ASUS phone camera source code was affected, stating the incident did not impact ASUS products, internal company systems, or user privacy. The report described leaked materials as including camera-related source code, internal patches, test modules, debugging logs, and other development artifacts, with no public indication of customer data exposure in the statement cited.
Mower County
November 6, 2025
•[ ransomware, data leak, government ]
Mower County reported that it detected a ransomware attack on June 18, 2025 and investigated with cybersecurity and data forensics consultants. The county said unauthorized access to its systems occurred sometime between June 11 and June 18, 2025 and that sensitive personal data collected by the county was stolen. Reported affected data types include Social Security numbers, birthdates, names, ID card numbers, fingerprints, financial account information, medical/health insurance information, and payment card information. As of Dec. 3, 2025, the county said it had no indication the stolen information had been released or offered for sale; it also noted approximately 27,064 notification letters were being sent.
Marquis Software Solutions
August 14, 2025
•[ ransomware, data leak ]
Marquis Software Solutions detected suspicious activity on Aug. 14, 2025 and determined it was the victim of a ransomware attack. An unauthorized party accessed Marquis network via a SonicWall firewall and may have acquired files from Marquis systems. Marquis stated the incident was limited to its environment (customers internal banking systems were not impacted) and that it had no evidence of misuse at the time of the notice. The potentially affected personal information for Maine residents includes names, addresses, phone numbers, Social Security numbers/TINs, dates of birth, and financial account information without security/access codes.
Towne Mortgage
January 6, 2025
•[ ransomware, data leak ]
Towne Mortgage disclosed that a June 2025 incident may have involved a hacker copying data from its network. Reporting on subsequent litigation stated that the lender did not publicly specify how many customers were impacted, but a disclosure referenced at least 474 Massachusetts residents and indicated that Social Security numbers and financial account information were compromised. The same report noted that some cybersecurity blogs attributed the attack to the BlackByte ransomware-as-a-service group, though the company itself did not confirm attribution. Multiple class action lawsuits were filed after the lenders breach announcement, alleging failure to protect sensitive borrower information.
Anchorage Neighborhood Health Cente
August 22, 2025
•[ ransomware, data leak ]
Anchorage Neighborhood Health Center disclosed that an unauthorized third party gained access to certain systems and that sensitive personal information and protected health information may have been exposed, including identifiers (such as Social Security numbers and state ID numbers) and medical/insurance information. Reporting around the incident also described operational impacts at the clinic, including phone lines being down and appointment scheduling disruptions for more than a week in late August 2025. The organization filed a public notice and began sending notification letters to impacted individuals on November 19, 2025.
Bpost
January 12, 2025
•[ ransomware, data leak, third-party ]
Reporting indicated that data attributed to Belgian postal operator bpost appeared on the TridentLocker ransomware leak site (about 30GB across thousands of files). Subsequent reporting cited a bpost spokesperson confirming a cyber incident and describing a limited data leak tied to a third-party exchange/platform used by a specific department (not linked to letters or parcels). The company stated it took immediate measures to contain the incident and said affected customers would be informed, while postal delivery operations were not expected to be endangered.
Reno Department of Motor Vehicles
August 24, 2025
•[ ransomware, data leak ]
A ransomware attack against Nevada state government systems disrupted public services, and the Reno-area DMV continued to experience connectivity issues nearly two weeks later. DMV officials stated that drivers license transactions were impacted and first-time Real ID issuance was unavailable at the time of reporting, while some renewals and other transactions could proceed. State officials also publicly acknowledged evidence of some data being exfiltrated from the state network during the broader incident, though details were not tied to DMV systems in the sourced updates.
Butler County
August 17, 2025
•[ ransomware, data leak ]
A cyberattack disrupted Middletown city services on or about Aug. 17, 2025. City staff reported email accounts were offline for weeks (some gradually restored), main phone lines remained down, and key functions such as generating new utility bills and accessing utility/tax account information were unavailable. Online public/police record requests and background checks were paused, and the city relied on backup processes while working with third-party specialists to investigate and restore systems. Preliminary findings indicated some city employee information may have been affected, but the investigation had not determined what personal information (if any) was impacted.
Village of Golf Manor
November 24, 2025
•[ ransomware ]
The Village of Golf Manor reported a ransomware attack that fully encrypted all municipal computer systems, including backups, resulting in a complete operational outage; no data theft or actor attribution was confirmed.
