International Game Technology PLC (IGT)
November 20, 2025
•[ ransomware, data leak ]
Ransomware-as-a-service group Qilin added gambling-technology giant IGT to its data leak site and claims to have stolen about 10GB of data, roughly 21,600 files, from the companys systems; the archive is labeled as already published on the dark web, but no file samples or detailed data contents were shared publicly at the time of reporting, and IGT has not confirmed or denied the incident, so this entry treats the event as a threat-actor-claimed data-theft attack with the nature of the exposed information still undetermined.
Salesforce customers via Gainsight-published applications
November 8, 2025
•[ data leak, supply chain attack, API abuse ]
A large-scale supply-chain campaign abused OAuth tokens linked to Gainsight-published applications integrated with Salesforce, enabling unauthorized API calls that accessed certain customers Salesforce data; according to Salesforce and multiple security advisories, suspicious activity began around November 8, 2025, and may have affected more than 200 Salesforce instances before tokens were revoked and the apps were pulled from the AppExchange.
Department of the Interior and Local Government (DILG)
November 23, 2025
•[ data leak, hacktivism ]
Hacktivist group HappyGoLuckyPH claims to have infiltrated the Philippine Department of the Interior and Local Governments intranet and exfiltrated about 400GB of internal government data, including personal and financial details of roughly 10,000 employees and contractors, while DILG publicly states it is still verifying the alleged breach and says core systems remain stable; despite the ongoing verification, the combination of leaked samples and size claims is treated here as a successful cyberattack involving significant data theft.
Pillsbury Winthrop Shaw Pittman LLP
April 1, 2025
•[ social engineering, data leak, personally identifiable information ]
Global law firm Pillsbury Winthrop Shaw Pittman reported that in April 2025 a sophisticated social-engineering attack allowed an intruder to gain limited access to its internal systems. The attacker convinced a single user to grant access and then rapidly downloaded a set of documents containing sensitive personal information, including names, Social Security numbers, addresses, birthdates, and some financial account details for thousands of people. Pillsbury stated that the activity was quickly detected and blocked, and it subsequently bolstered its security controls and notified affected individuals, with public disclosure occurring on November 6, 2025. The breach has since led to class-action litigation alleging inadequate safeguards and delayed notification.
Healthcare Interactive Inc. (HCIactive)
July 12, 2025
•[ data leak, unauthorized access ]
Healthcare Interactive Inc. (HCIactive), a benefits and insurance administration technology provider, disclosed that an unauthorized actor accessed its network and copied certain files between July 8 and July 12, 2025. Suspicious activity was detected on July 22, triggering a forensic investigation that confirmed a data breach affecting at least 501 individuals, with exposed information including names, addresses, dates of birth, Social Security numbers, contact details, and health insurance enrollment data. The company notified regulators and consumers beginning in September 2025, offered credit monitoring, and stated that it had implemented additional technical safeguards. There is no indication of significant operational disruption, but the confidentiality impact for affected individuals is substantial.
Trumbull County Recorder’s Office
November 14, 2025
•[ ransomware, data leak, supply chain attack ]
Trumbull County, Ohio reported that a ransomware attack on its third-party vendor C Systems Software led to a security breach affecting systems used for real-estate recordings and property records. County officials said they were alerted around November 14, 2025, and, with help from Ohio Homeland Security and external cybersecurity firm GuidePoint, determined that the same cybercriminals behind the vendor breach had attempted to exploit the county network. While they reported no evidence of successful intrusion into county systems, offices had to fall back on manual processing and suspend some online services for about ten days. The incident is believed to have exposed resident data held by the vendor and has prompted additional security and monitoring measures.
St. Anthony Hospital (Chicago)
February 6, 2025
•[ data leak, healthcare, unauthorized access ]
St. Anthony Hospital in Chicago reported that on February 6, 2025 it discovered a data breach involving a small number of employee email accounts that had been accessed by an unauthorized actor. The compromised mailboxes contained personal and medical information such as names, addresses, dates of birth, Social Security numbers, medical record and account numbers, prescription details, and medical histories for roughly 6,679 individuals. The hospital engaged outside cybersecurity experts, reset credentials, and began notifying potentially affected patients and staff while offering guidance on credit monitoring. Officials said there was no evidence of misuse yet but warned people to remain vigilant for fraud or identity theft.
Logius (DigiD national login service)
November 19, 2025
•[ denial of service ]
On November 19, 2025, Dutch digital identity service DigiD was again targeted by a distributed denial-of-service attack. According to Logius, the agency responsible for DigiD, the attack caused intermittent login failures for users during the morning, with a peak in problems around 11:00 before the situation gradually improved as defenses took effect. Officials advised users to wait or try again later while mitigation was ongoing and said they did not yet know who was behind the attack. The incident followed multiple earlier cyberattacks on DigiD in the same year, highlighting persistent targeting of critical e-government authentication services.
LG Energy Solution
January 11, 2025
•[ ransomware, data leak, supply chain attack ]
LG Energy Solution confirmed that an overseas facility was hit by a ransomware incident in November 2025, which briefly affected operations before systems were restored. The Akira ransomware group listed LG on its leak site, claiming to have stolen around 1.7 TB of data, including corporate documents and an employee database with personal information. LG stated that the incident was contained to the single facility and that production had resumed, while it continued to investigate the scope of the data theft. The case underscores the risk to global manufacturing supply chains from targeted ransomware operations.
VSK Insurance Joint-Stock Company
November 12, 2025
•[ ransomware ]
Russian insurer VSK disclosed that a large-scale cyberattack beginning around November 12, 2025 severely disrupted its IT systems and online services. Customers across Russia reported being unable to access the companys website, mobile app, and email, and some healthcare providers delayed or cancelled appointments because they could not verify insurance coverage. VSK said it was working with law enforcement and cybersecurity experts and claimed that no confirmed evidence of data theft had been found, while independent specialists suggested the incident was probably ransomware. The attack significantly impacted delivery of insurance and related health services nationwide.
Cleveland County Sheriff's Office (Oklahoma)
November 20, 2025
•[ ransomware, government ]
The Cleveland County Sheriffs Office in Oklahoma reported that a ransomware attack against portions of its internal computer systems was underway as of November 2021, 2025; officials emphasized that 911 and public safety response were not disrupted, but the countys IT team was still assessing scope and working on remediation, and no threat group had publicly claimed responsibility at the time.
Donbas Post
November 24, 2025
•[ hacktivism, wiper attack, data destruction ]
Ukrainian Cyber Alliance claimed responsibility for wiping Donbas Post's systems in Russian-occupied Ukraine, deleting data from over 1,000 workstations and dozens of servers, disrupting web, email, and corporate operations.
Almaviva S.p.A.
November 20, 2025
•[ data leak ]
Threat actor breached Almaviva (IT services provider for FS Italiane Group), exfiltrated about 2.3TB of internal data including technical documentation, contracts, accounting records, HR archives and multicompany repositories across several FS Group companies; data appears recently generated (Q3 2025); Almaviva confirmed a breach, isolated systems, and launched response procedures.
Cox Enterprises, Inc.
August 9, 2025
•[ vulnerability, zero-day, data leak ]
Hackers exploited a zeroday vulnerability in Oracle EBusiness Suite, breached Cox Enterprises network, and exfiltrated personal data of about 9,479 individuals; Cl0p group later published stolen files on darkweb leak site
Iberia Líneas Aéreas de España S.A.
November 23, 2025
•[ data leak ]
Spanish flag carrier Iberia began notifying customers after discovering that unauthorized access to a suppliers systems had exposed limited loyalty-program data, including names, email addresses and Iberia Club card IDs, while emphasizing that passwords and payment information remained safe; the airline activated its security protocols, added additional protections around account email changes, notified regulators, and continues to investigate the vendor breach and a purported 77 GB data listing on hacker forums.
Harvard University
November 18, 2025
•[ phishing, vishing, data leak ]
Harvard University reported that a voice-phishing attack against Alumni Affairs and Development staff on November 18, 2025 led to unauthorized access to its AAD information systems, exposing contact details, fundraising records and event data for alumni, donors, parents, some students and some faculty and staff; the university locked out the intruder, notified affected individuals beginning November 22, and is working with law enforcement and incident response specialists.
SitusAMC
November 12, 2025
•[ data leak ]
Real-estate finance services provider SitusAMC, headquartered in New York, disclosed that on November 12, 2025 it detected a breach affecting internal systems used to support back-office services for major lenders; investigations indicate that corporate data on some clients and unspecified data about their customers were accessed, though SitusAMC reports no impact on business operations and says no encrypting malware was deployed.
Protei
November 8, 2025
•[ data leak, hack, website defacement ]
Surveillance-technology and telecom systems provider Protei, founded in Russia and now headquartered in Jordan, was hacked by an unidentified actor who defaced its public website around November 8, 2025 and stole the contents of its web server, including about 182 GB of historical emails and files related to its deep packet inspection and lawful intercept products used by telecoms across dozens of countries.
Doctor Alliance LLC
November 18, 2025
•[ ransomware, data leak ]
Ransomware actor Kazu again compromised Dallas-based healthcare document and billing platform Doctor Alliance, exploiting an unpatched vulnerability and reused admin credentials to access a high-privilege account and steal nearly 1.27 TB of medical documents and related files affecting potentially more than a million patients; the firm has acknowledged unauthorized access to at least one client account and faces multiple federal class actions while still providing limited public transparency.
Pajemploi
November 19, 2025
•[ data leak ]
French social security service Pajemploi reported that its systems suffered a theft of personal data belonging to professional caregivers registered with the program and estimates that information for about 1 point 2 million individuals may have been exposed according to an announcement by parent organisation URSSAF and coverage by DataBreaches
