Institute Ruđer Bošković (administrative/professional services IT)
July 31, 2025
•[ ransomware, education ]
IRB was hit by a ransomware attack on July 31, 2025 via Microsoft SharePoint ToolShell vulnerabilities; administrative/professional services systems were encrypted. IRB refused to pay, isolated affected segments, and restored from backups by Aug 8; later updates confirmed full service restoration and no evidence of data exfiltration.
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.
Operation PAR, Inc.
June 10, 2025
•[ ransomware, leak, healthcare ]
On June 10, 2025, Operation PAR, Inc., a Florida nonprofit providing addiction and mental health services, was hit by the Worldleaks ransomware group. The attacker exfiltrated around 485 GB of datanearly 900,000 files containing sensitive PII and PHIand later posted it on a dark-web leak site. No encryption or service disruption was confirmed.
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.
Qilin ransomware group
July 31, 2025
•[ ransomware, hack, leak ]
Compromise of Qilins affiliate panel by rival actors enabled access to internal systems and stolen victim files.
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.
Manpower
January 20, 2025
•[ ransomware, leak, malware ]
Manpower disclosed that a ransomware attack by RansomHub led to the theft of 500GB of files and the exposure of personal data from roughly 140000 individuals. The attackers listed Manpower on their leak site but later removed it, suggesting a ransom settlement.
YES24
August 11, 2025
•[ ransomware, malware, retail ]
On August 11, 2025, YES24 suffered its second ransomware attack in two months, leading to encrypted systems and major disruption of Koreas largest internet bookstore. The incident disrupted online sales and order processing; the company did not disclose the exact ransomware group or number of customers impacted, but stated operations were severely affected.
Spartanburg County
August 6, 2025
•[ ransomware, government ]
Cyberattack led to disabling of certain online services, including County network connections; emergency services like 911 remained operational; third ransomware event in recent years
Highlands Oncology Group
June 2, 2025
•[ ransomware, healthcare ]
Highlands Oncology Group notifies 113,575 people after ransomware attack by Medusa
Palo Alto Networks (investigator)
July 17, 2025
•[ ransomware, malware, technology ]
Ransomware deployment (4L4MD4R) via exploitation of Microsoft SharePoint ToolShell vulnerabilities; attackers disabled defenses, bypassed certificate validation, and encrypted files; ransom note threatened deletion upon decryption attempts.
99 Cents Only
August 1, 2025
•[ ransomware, retail ]
INC Ransom claims to have breached Dollar Tree
Fraunhofer Institute for Industrial Engineering IAO
December 27, 2024
•[ ransomware, malware, technology ]
On December 27, 2024, Fraunhofer IAO in Stuttgart suffered a ransomware attack that encrypted and disrupted internal systems. The institute reported the incident to the Bavarian Data Protection Authority and law enforcement within statutory deadlines. While research data is typically anonymized, unauthorized disclosure cannot be ruled out, though no confirmed exfiltration has been identified.
Pembina Trails School Division
December 2, 2024
•[ ransomware, financial, leak ]
Canadian school division compromised by Rhysida ransomware Dec 2, 2024. Attack disrupted thousands of devices and exposed ~35,000+ student records and staff payroll/financial data. Group attempted $1.7M ransom before leaking stolen data on the dark web.
Rivers Casino Philadelphia
October 14, 2024
•[ ransomware, malware, retail ]
Rivers Casino Philadelphia disclosed that between Oct 1422, 2024, an unauthorized actor accessed and exfiltrated patron data, including names, SSNs, bank account details, and drivers license numbers. Notifications were issued Dec 30, 2024, with public filings Feb 16, 2025. The ransomware group Cicada3301 claimed responsibility, stating it stole 2.56 TB of data. Rivers Casino offered identity protection services to affected patrons.
Crown Mortgage Company
December 20, 2024
•[ ransomware, finance ]
Unauthorized access was discovered on Dec 20, 2024, at Crown Mortgage Company, exposing customer names and Social Security numbers. Breach notifications were sent on Jan 2, 2025, and the company offered 24 months of identity monitoring. A ransomware group has claimed responsibility, but this remains unconfirmed.
Jan Nygaard AS, a major BMW & MINI dealership in Denmark
January 25, 2025
•[ ransomware, hack, malware ]
Den store BMW- og Mini-forhandler Jan Nygaard, der omstter for mere end to milliarder kroner, advarer efter Computerworlds afslring tirsdag morgen sine kunder om, at deres data kan vre blevet stjlet af ransomware-gruppe under hackerangreb for mere end tre uger siden.