University of St. Thomas (Houston, TX)
August 12, 2025
•[ ransomware, malware, education ]
On August 12, 2025, the University of St. Thomas in Houston, Texas, detected unauthorized access and voluntarily shut down key systems for nine days. External sources confirmed the INC ransomware gang claimed responsibility, stating they stole 1.8 TB of sensitive university data. University operations including student portals, financial aid, and course scheduling were fully disrupted, though no encryption was reported. Public disclosure followed on August 25, 2025.
Government, tech, academic & telecom entities; global
August 22, 2025
•[ espionage, malware, government ]
CrowdStrike reports that multiple Chinese-linked groupsMurky Panda, Genesis Panda, and Glacial Pandahave exploited vulnerabilities (e.g., Citrix CVE-2023-3519, Commvault CVE-2025-3928) to deploy the CloudedHope malware for covert espionage against cloud, telecom, government, tech, academic, legal, and professional services organizations worldwide.
EastIdahoNews.com
August 20, 2025
•[ social, malware, technology ]
Fake virus scanner pop-ups served via third-party ads disrupted user experienceno evidence of data theft or system compromise.
Middletown, Ohio Municipal Services
August 17, 2025
•[ ransomware, malware, government ]
Middletown, Ohio suffered a cyberattacklikely ransomwarethat began around Aug 17, 2025. Multiple city service systems remained offline for weeks; some employee information may have been affected (per preliminary findings), but no definitive evidence of data exfiltration. No actor has been identified.
PDI Health
May 14, 2025
•[ ransomware, leak, malware ]
On May 14, 2025, PDI Health discovered a cyberattack when the Everest ransomware group infiltrated its internal systems and exfiltrated sensitive patient records. The group leaked samples and claimed responsibility on the dark web, revealing more than 373,000 records stolen. No evidence of encryption or service disruption was confirmed.
MPOWERHealth
June 29, 2025
•[ ransomware, leak, hack ]
WorldLeaks, a criminal ransomware group, claimed responsibility for a June 29, 2025 cyberattack on MPOWERHealth in Addison, Texas. The attackers exfiltrated roughly 1.5 TB of data (over 1.6 million files), including PHI, insurance claims, internal documents, login credentials, and cyber-insurance records. While negotiations began, the company ceased responding, after which WorldLeaks leaked the stolen files. Reports indicate data theft and exposure but no confirmed operational outage.
Nevada State Government (multiple agencies)
August 24, 2025
•[ ransomware, malware, government ]
State described a ransomware-based attack discovered Aug 24 that forced two-day office closures and knocked multiple agency websites/phones offline; CIO confirmed some state data was exfiltrated, but nature/volume unknown; no actor has claimed responsibility.
Miljödata (IT supplier for municipalities)
August 23, 2025
•[ ransomware, leak, malware ]
Suspected ransomware attack against Swedish IT supplier Miljdata disrupted critical services for ~200 municipalities starting August 23, 2025. Systems were encrypted, and attackers threatened to leak stolen personal and medical data unless paid 1.5 BTC.
Hitachi Energy
August 15, 2025
•[ ransomware, malware, manufacturing ]
Warlock ransomware group claimed responsibility for breaching Hitachi Energy in mid-August 2025, exfiltrating sensitive employee and corporate data and encrypting systems. Disruption lasted several days before partial recovery.
Nissan Creative Box Inc. (Design Studio)
August 16, 2025
•[ ransomware, malware, automotive ]
Nissan Creative Box, a Tokyo-based Nissan design subsidiary, confirmed unauthorized access on August 16, 2025. Qilin ransomware claimed exfiltration of about 4 TB of sensitive intellectual property and design files, releasing samples as proof and threatening full disclosure. No encryption of systems has been reported.
Pakistan Petroleum Limited (PPL)
August 6, 2025
•[ ransomware, leak, malware ]
PPLs servers and backups were encrypted and disabled by Blue Locker ransomware; IT and financial operations were disrupted for days; a ransom note threatened data leaks; NCERT issued high alert advisory to national institutions
Pike County (via Ohio Valley Technologies)
April 28, 2025
•[ ransomware, malware, government ]
Third-party ransomware attack via OVT disclosed April 28 2025. Resulted in unauthorized access and exfiltration of Pike Countys sensitive data for over 33,000 individuals. No encryption of county systems was reported.
West Texas Oral Facial Surgery
May 29, 2025
•[ hack, ransomware, leak ]
West Texas Oral Facial Surgery suffered a cyberattack beginning May 29, 2025, when INC RANSOM gained unauthorized access to its systems. Patient files including names, imaging data, and treatment reasons were exfiltrated, but no encryption of systems was reported. SSNs, financial information, and the electronic medical records system were not affected. The breach impacted over 11,000 individuals and was reported to HHS-OCR on August 2 and to the Texas Attorney General on August 4.
Beta – Dnevni evropski servis (DES)
August 7, 2025
•[ ransomware, malware, technology ]
Ransomware attack encrypted systems of Betas specialized European news service (DES), rendering its portal inaccessible. No data exfiltration was reported. Attackers demanded ransom in cryptocurrency; the incident occurred and was disclosed on August 7, 2025.
Box Elder County Government (Utah)
August 13, 2025
•[ ransomware, malware, government ]
Box Elder County was hit by a ransomware attack by the gang Interlock around August 13, 2025. Authorities confirmed the domestic breach disrupted operations; attackers released over 2 million stolen government files including law enforcement records, homicide case details, jail videos, and digital credentials. The FBI, Utah State Bureau of Investigation, and State Cyber Crimes Task Force are investigating.
Manassas Park City Schools
June 12, 2025
•[ ransomware, malware, education ]
The MPCS network was infiltrated and encrypted via ransomware around June 12, 2025; data may have been accessed including full names paired with SSNs, passport numbers, or financial account details. No group has claimed responsibility. Investigation ongoing and FBI notified.
Einhaus Group
March 1, 2023
•[ ransomware, malware, finance ]
The Royal ransomware group encrypted all systems of the Germany-based Einhaus Group in March 2023, resulting in total operational paralysis across its 5,000 retail points. Despite paying ~200K in Bitcoin ransom, the company went bankrupt. Several Royal group suspects were arrested and crypto assets seized, but operations were not restored.
Acea
July 31, 2025
•[ ransomware, malware, energy ]
Italian utility company Acea suffered another ransomware attack, this time claimed by World Leaks. Systems were encrypted, disrupting operations, though the exact duration and number of affected customers were not disclosed.
Foreign embassies in Moscow (multiple missions)
July 31, 2025
•[ espionage, malware, government ]
FSB-linked APT Secret Blizzard (Turla) used ISP-level access in Russia to deliver espionage malware against multiple foreign embassies in Moscow; campaign disclosed by Microsoft. Data stolen likely includes diplomatic emails/credentials; exact volume not reported.
Colt Technology Services
August 12, 2025
•[ ransomware, leak, hack ]
On August 12, 2025, Colt Technology Services experienced a cyberattack on internal support systems. The Warlock ransomware group stole and leaked up to 1 million documents, including employee salary information, customer contracts, network designs, and internal emails. Colt reported that customer-facing portals such as Colt Online and Voice API were taken offline proactively as a containment measure, not because of attacker disruption or encryption.