Lee Enterprises
February 3, 2025
•[ ransomware, data leak ]
On February 3, 2025, Lee Enterprises suffered a ransomware attack that encrypted multiple critical applications and exfiltrated files. The Qilin group claimed responsibility, asserting theft of about 350 GB of data. The incident caused partial but significant disruption of operations for roughly one week, affecting printing, billing, and vendor systems. Approximately 39,779 individuals had personal information compromised.
City of McKinney, Texas
October 31, 2024
•[ ransomware, data leak ]
Ransomware group INC claimed responsibility for breaching the City of McKinney, Texas, beginning October 31, 2024. Officials confirmed that personal and health data of approximately 17,751 individuals were exfiltrated. The city discovered the breach on November 14, 2024, and publicly reported it in February 2025. No encryption was reported.
Sault Ste. Marie Tribe of Chippewa Indians
February 9, 2025
•[ ransomware, data leak ]
RansomHub executed a ransomware attack on February 9, 2025, affecting six tribal facilities including five Kewadin casinos, the health center complex, and tribal administration systems. The attack encrypted and exfiltrated 119 GB of data, disrupting operations for approximately five days.
University of The Bahamas
February 2, 2025
•[ ransomware ]
The University of The Bahamas suffered a ransomware attack starting on 2025-02-02 that disrupted online systems including email, telephone, and academic platforms while in-person classes persisted. The school serves ~5,000 students across three campuses.
Virginia Attorney General’s Office
February 11, 2025
•[ data leak, ransomware, cyber intrusion ]
In February 2025, the Virginia Attorney Generals Office voluntarily shut down nearly all internal systems after detecting a sophisticated cyber intrusion. The criminal group Cloak later claimed responsibility, asserting it had stolen 134 GB of internal documents and posted samples to its leak site. Officials confirmed system shutdowns for containment but did not verify any file encryption or ransom demand, indicating an exfiltration-only intrusion rather than an active ransomware lockout.
Westend Dental
October 20, 2020
•[ ransomware, data leak, exposed PHI ]
A ransomware attack attributed to Medusa Locker encrypted patient data on Westend Dentals servers in October 2020. The breach went unreported for years, leading to a 20242025 Indiana AG and HHS settlement requiring patient notification. There is no clear evidence of exfiltration beyond encryption, but PHI exposure was confirmed.
Town of Bourne
January 11, 2025
•[ ransomware, data leak ]
Unauthorized access to Bournes IT network was disclosed after a Jan 11, 2025 cyberattack. MA AG filings list 625 affected MA residents with SSN/financial/drivers-license data. RansomHub later claimed the attack and 100 GB theft; encryption not confirmed.
Stock Development LLC
March 2, 2024
•[ ransomware, data leak ]
Stock Development confirmed network intrusion spanning April 2023 to March 2024. LockBit claimed the breach, posting 1 TB of stolen data. Victims notified beginning January 2025; about 13,147 individuals confirmed. No public confirmation of encryption or forensic attribution beyond the claim.
Unimicron Technology Corporation
January 30, 2025
•[ ransomware, data leak ]
Unimicron Technology Corporation disclosed a ransomware incident on January 30, 2025, affecting its Shenzhen subsidiary. The Sarcoma ransomware group claimed responsibility and alleged 377 GB of stolen data. Unimicron confirmed ransomware encryption but has not verified any data exfiltration. Investigation ongoing.
City of Tarrant
February 10, 2025
•[ ransomware, data leak, government ]
Ransomware group RansomHub attacked the City of Tarrants computer systems on February 10, 2025, initially disrupting the police department and prompting the city to shut down its networks. Officials restored servers within days, but RansomHub later posted proof-of-theft police files, confirming data exfiltration. Magnitude, duration, and scope remain undetermined.
Jefferson School District 251
February 4, 2025
•[ ransomware, data leak ]
Ransomware was discovered on Jefferson School Districts computer systems in early February 2025, leading to the cancellation of classes across all 11 schools in the district while networks were rebuilt. About 5,000 student devices were affected, and the FBI and third-party forensic teams were engaged. No evidence of student data theft or exfiltration has been reported.
Douglasville-Douglas County Water & Sewer Authority
November 26, 2024
•[ ransomware, data leak ]
The DouglasvilleDouglas County Water & Sewer Authority was targeted by the Lynx ransomware group on November 26 2024. Attackers claimed responsibility on a leak site on January 14 2025, later removed. The authority rebuilt and restored its systems with minimal data loss and reported no evidence of customer or employee data theft. Data exfiltration remains unconfirmed.
Farmácia Moniz Silva
September 2, 2025
•[ ransomware, malware, healthcare ]
Ransomware group Qilin claimed responsibility for a September 2025 attack on Farmcia Moniz Silva, a pharmacy located in Luanda, Angola. The group listed the victim on its data-leak site, consistent with broader Qilin activity against healthcare organizations. No confirmation from the victim or Angolan CERT was available.
Robeson County Government
December 10, 2024
•[ ransomware, malware, government ]
Robeson County, North Carolina confirmed that a December 2024 LockBit ransomware incident encrypted county servers and exfiltrated HR and payroll data. County operations were disrupted for about three weeks before full restoration in January 2025.
Friendlies Society Dispensary
September 15, 2025
•[ ransomware, malware, healthcare ]
A ransomware attack occurred in September 2025 against the Friendlies Society Dispensary in Toowoomba, Queensland. The pharmacys systems were encrypted, disrupting services for several days. Management reported uncertainty about what data was accessed. The incident was publicly reported on October 1, 2025, by ABC News.
Motility Software Solutions
August 19, 2025
•[ ransomware, malware, technology ]
Motility Software Solutions detected suspicious activity on Aug 19 2025 and confirmed ransomware deployment and data theft impacting about 760,000 individuals. Stolen data included names, birthdates, drivers license numbers, and SSNs. No threat actor attribution was disclosed.
ApolloMD (Business Associate to 11 Physician Practices)
May 22, 2025
•[ ransomware, malware, healthcare ]
ApolloMD confirmed unauthorized access to its network on May 2223 2025 affecting 11 affiliated physician practices. The Qilin ransomware group claimed to have stolen approximately 238 GB of data, including patient and insurance information. ApolloMD did not confirm encryption or ransom payment.
Kido International (London Nurseries)
September 10, 2025
•[ ransomware, education ]
Ransomware group Radiant claimed intrusion into Kido Internationals London nursery network in early September 2025, stealing data on over 8,000 children. The group leaked samples and demanded ransom. Kido confirmed the breach in late September but reported no encryption or operational disruption.
Maryland Transit Administration (MDOT)
August 26, 2025
•[ ransomware, malware, government ]
Attack by Rhysida ransomware group disrupted Maryland Transit Administrations MobilityLink systems and exfiltrated internal and personal data. Group demanded 30 BTC ransom.
Asahi Group (Japan operations)
September 29, 2025
•[ ransomware, malware, manufacturing ]
A ransomware attack disrupted Asahi Groups Japanese operations, fully halting order processing, shipping logistics, and customer service systems nationwide. Beer production stopped at six domestic plants for about a week, and only partial restoration was achieved by October 6 2025. Asahi confirmed the attack targeted internal servers but reported no confirmed data exfiltration or actor attribution.
