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• Mailchimp July 31, 2025 • [ ransomware, data leak ] Everest ransomware group claimed a small breach of Mailchimp systems, sharing limited details; no disruption reported.
• Belk, Inc. July 29, 2025 • [ ransomware ] Ransomware group INC claimed an attack on Belk; the retailer's confirmation and scope had not been disclosed at report time.
• Cierant Corporation January 1, 2025 • [ ransomware, data leak ] SecurityWeek: HHS tracker shows >232k impacted at Cierant (Cleo file transfer/Cl0p) and ~280k at law firm Zumpano Patricios after May 6 intrusion with possible exfiltration.
• Zumpano Patricios (law firm) May 6, 2025 • [ ransomware, data leak ] SecurityWeek: HHS tracker shows >232k impacted at Cierant (Cleo file transfer/Cl0p) and ~280k at law firm Zumpano Patricios after May 6 intrusion with possible exfiltration.
• Muji October 20, 2025 • [ ransomware ] Muji halted online sales after Askul ransomware outage disrupted logistics operations
• Askul October 19, 2025 • [ ransomware ] Askul halted orders and shipments across sites after ransomware crippled systems
• Volkswagen Group France October 14, 2025 • [ ransomware, data leak ] Qilin gang claimed a ransomware attack on Volkswagen France with ~150GB of data allegedly stolen; investigation ongoing.
• Methodist Church of Southern Africa October 13, 2025 • [ ransomware, data leak ] Ransomware actors claimed an attack on the Methodist Church of Southern Africa; verification and technical details remain limited.
• City of Michigan September 23, 2025 • [ ransomware ] Ransomware on Sept 23 impacted part of city data and employees internet/telephone; systems being restored.
• Legal Practice Board of Western Australia October 2, 2025 • [ ransomware, data leak, health data ] Ransomware attack in May led to compromise of additional data beyond initial disclosure; impacted info includes health, financial, and personal data.
• Deutsche Welthungerhilfe (WHH) July 2, 2025 • [ ransomware, data leak ] RaaS group listed WHH and offered stolen data for sale; WHH shut down affected systems, involved police and DPA, and refused to pay.
• Albavision (Albavisión) July 28, 2025 • [ ransomware, data leak, business disruption ] GlobalGroup ransomware group alleged breach and data theft at media giant Albavision affecting broadcast operations, with data samples posted.
• Gloucester County, Virginia July 27, 2025 • [ ransomware ] Gloucester County reported responding to a ransomware attack that impacted county systems and public access to some services.
• The Alcohol & Drug Testing Service (TADTS) July 15, 2024 • [ ransomware, data leak ] TADTS notifying ~750,000 people of compromise stemming from a July 2024 ransomware attack, per SecurityWeek.
• United Australia Party (and Trumpet of Patriots) June 23, 2025 • [ ransomware, data leak ] Political parties confirmed ransomware on June 23 with possible exfiltration of all emails and documents; parties stated it is impracticable to notify individuals.
• Infinite Services (New York) May 5, 2025 • [ ransomware, data leak ] Employees could not log in on May 5; ransomware encryption interrupted by disconnecting power; investigation found one server accessed containing patient and employee PII/PHI; broad notifications sent out of caution.
• NASCAR March 15, 2025 • [ ransomware, data leak ] NASCAR confirmed a ransomware breach of internal systems in March 2025 attributed to Medusa; ~1 TB of sensitive data stolen with $4M ransom demand; notifications and protections offered.
• Envoy Air (American Airlines) October 17, 2025 • [ ransomware, data leak, vulnerability ] Envoy Air confirmed it was hit in a broader Clop campaign abusing an Oracle EBS zero-day. Reuters notes a small amount of Envoy business information may have been accessed; Clop listed American Airlines, but the target was Envoy, AAs regional carrier. Primary impact: unauthorized access/data theft for extortion, not operational outage.
• AT&T Careers HR portal October 24, 2025 • [ ransomware, data leak, fraud ] Ransomware actors posted a dataset labeled AT&T Careers on their leak site, indicating records tied to recruiting/applicant systems; listing framed for monetization with no operational outage described. Organization review pending; risk centers on identity/targeted fraud against job-seekers and staff.
• Juan F. Luis Hospital April 26, 2025 • [ ransomware, vulnerability ] Ransomware accessed two local servers via an overlooked vulnerability and forced the hospital into prolonged downtime, manual workflows, and a wholesale technology rebuild. CEO reports weekly cash flow impact of $750k$800k due to delayed electronic billing yet maintains no patient or staff data was stolen; operations gradually restored as systems returned.