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.
Air France/ KLM
July 28, 2025
•[ leak ]
In August 2025, KLM confirmed that a third-party customer service system it used had been breached, exposing passenger data. The stolen information included names, contact details, and travel information of customers, though no internal KLM operational or financial data was reported compromised. The airline did not disclose how many individuals were affected, but emphasized that flight operations were not disrupted.
Harbor Behavioral Health
July 25, 2025
•[ leak, healthcare ]
Harbor reported that suspicious activity was identified on Aug 1, 2025; investigation determined an unauthorized party accessed and took files from the network between late July and Aug 1. Notifications were issued Sept 30; no encryption or operational disruption reported.
Harbor (Ohio mental health and substance use provider)
July 25, 2025
•[ leak, healthcare ]
An unauthorized actor accessed Harbors network between July 25 and August 1, 2025, and exfiltrated files containing patient, employee, and board member information. The organization disclosed the breach on September 30, 2025.
Hello Cake
July 25, 2025
•[ leak, healthcare ]
In July 2025, the sexual healthcare product maker Hello Cake suffered a data breach. The data was subsequently posted on a public hacking forum and included 23k unique email addresses along with names, phone numbers, physical addresses, dates of birth and purchases.
Pandora (jewelry retailer)
July 20, 2025
•[ leak, retail ]
Pandora confirmed that a third-party vendor holding marketing/customer data was compromised, exposing PII of around 30,000 individuals; no passwords, financial, or payment data stolen.
Survival Flight
July 17, 2025
•[ leak, healthcare ]
Survival Flight discovered a cyber incident on 07/17/2025 impacting IT systems; notice lists likely exposure of patient PHI. DataBreaches reports WorldLeaks claim (~2.8 TB) and previewed data including internal business files plus some patient/member financial/insurance info. Second Survival Flight incident in <1 year.
IMDataCenter
July 15, 2025
•[ leak, hack, misconfiguration ]
Unsecured AWS S3 bucket exposed ~38GB of records; hacker downloaded ~75GB, including ~20M emails, ~37M phone numbers, 50k SSNs/DOBs; affects multiple industries (healthcare, airlines, universities, dealerships). Bucket later secured; lawsuits pending.
Ohio Medical Alliance (Ohio Marijuana Card)
July 14, 2025
•[ leak, misconfiguration, healthcare ]
Unsecured database exposed sensitive records of an estimated 30,00040,000 Ohio medical cannabis patients. Data included names, addresses, phone numbers, email addresses, medical marijuana card numbers, state ID numbers, and medical information. The database was discovered on July 14, 2025, by a security researcher and secured on July 15; no evidence of ransomware or encryption was found.
Venice Film Festival
July 7, 2025
•[ hack, leak ]
On July 7, 2025, unauthorized actors accessed and copied documents from the Venice Film Festivals servers, extracting personal data of attendees, including journalists and industry professionals. Systems were proactively isolated by the festivals IT team, and authorities were notified. There is no indication of data encryption, nor disruption of payment, booking, or ticketing systems. Notifications to affected individuals began around early August 2025.
U.S. federal judiciary CM/ECF & PACER systems
July 4, 2025
•[ hack, leak, government ]
The U.S. federal judiciarys electronic case filing systems (CM/ECF and PACER) were breached around July 4, 2025. Sensitive sealed dataincluding indictments, arrest warrants, and identities of confidential informantswas accessed across multiple district courts. Reports suggest possible theft of system source code and tampering with ~12 dockets. The precise volume of data stolen is unknown, but officials confirmed that a significant number of sealed case files were exposed.
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.
Netstar
June 23, 2025
•[ leak, ransomware ]
Data details undisclosed publicly; breach confirmed as involving data leak following refusal to pay ransom.
Vietnam Airlines
June 20, 2025
•[ hack, leak, technology ]
In October 2025, data stolen from the Salesforce instances of multiple companies by a hacking group calling itself "Scattered LAPSUS$ Hunters" was publicly released. Among the affected organisations was Vietnam Airlines, which had 7.5M unique customer email addresses exposed following a breach of its Salesforce environment in June of that year. The compromised data also included names, phone numbers, dates of birth, and loyalty program membership numbers.
Viva Health Insurance
June 14, 2025
•[ leak, misconfiguration, healthcare ]
Viva Health, an Alabama-based health insurance company headquartered in Birmingham, experienced exposure of a web-accessible file from June 14 to August 27, 2025. The file contained limited PHI for about 4,945 members and was removed upon discovery. No misuse or encryption was reported.
Kering
June 12, 2025
•[ hack, leak, retail ]
Kering confirms June 2025 intrusion affecting multiple brands; ShinyHunters claims Salesforce-based exfiltration (43M+ Gucci, ~13M others); media verified samples and 7.4M unique emails; Kering says no financial/ID data; denies negotiations, which DataBreaches disputes with chat logs and a BTC micro-payment.
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.
Omnicuris
June 8, 2025
•[ leak, healthcare ]
In June 2025, the Indian CME platform Omnicuris suffered a data breach that exposed approximately 200k records of healthcare professionals. The data included names, email addresses, phone numbers, geographic locations and other data attributes relating to professional expertise and training progress. Omnicuris is aware of the incident.
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.
ColoCrossing
May 24, 2025
•[ leak, misconfiguration, technology ]
In May 2025, hosting provider ColoCrossing identified a data breach that impacted customers of their ColoCloud virtual server product. ColoCrossing advised the incident was isolated to their cloud/VPS platform and stemmed from a single sign-on vulnerability. 7k email addresses were exposed in the incident along with names and MD5-Crypt password hashes.