Sedgwick Government Solutions
December 31, 2025
•[ ransomware, data leak, file transfer system ]
SecurityWeek reported that Sedgwick confirmed a security incident at its subsidiary Sedgwick Government Solutions after the TridentLocker ransomware group claimed to have hacked it. Sedgwick stated the incident affected only an isolated file transfer system and that the subsidiary is segmented from the rest of Sedgwick, with no evidence of access to claims management servers and no impact on service delivery. The article noted that on New Years Eve, TridentLocker claimed it stole roughly 3.4GB of data from Sedgwick Government Solutions and leaked it publicly, while Sedgwick did not comment on the specifics of the attackers claims.
Missouri State Government Employee Self-Service
December 31, 2025
•[ unauthorized access, forensic investigation, financial fraud prevention ]
Missouris Office of Administration temporarily shut down the Employee Self-Service portal to contain suspicious activity and support a forensic investigation. The agency said the incident was highly localized and involved 47 accounts, and that fraud protection systems detected the unauthorized activity and prevented unauthorized transactions. Reporting noted the issue centered on an unauthorized attempt to access workers deferred savings account information and that the portal remained offline while the state worked to restore service before the next pay date, with contingency plans for pay stubs and W-2 access if downtime continued.
ManageMyHealth
December 30, 2025
•[ ransomware, data leak, healthcare ]
A significant volume of patient medical records was accessed and partially encrypted in a cyber intrusion targeting document systems The threat actor issued a ransom demand and published some data samples online before legal action was taken The breach was discovered in late December and publicly confirmed shortly after
Libya Telecom & Technology Company
December 30, 2025
•[ DDoS, service disruption, network security ]
Libya Telecom & Technology Company (LTT) reported that its systems and network were subjected to ongoing distributed denial-of-service (DDoS) attacks starting December 30, 2025. The company stated it activated an emergency protocol immediately upon detection, contained the majority of the impact, and worked to ensure continuity of essential services while the incident response plan remained in effect and monitoring continued for further attempts.
Sports Medicine and Orthopedics
December 30, 2025
•[ ransomware, data leak, healthcare ]
Sports Medicine & Orthopaedics, a now-closed practice in East Providence, Rhode Island, reported that it was impacted by a ransomware incident in October 2025. Reporting indicates the attack exposed personal and health-related information for roughly 4,000 patients, prompting the practice to issue breach notifications after it had already shut down operations. Public accounts describe a ransomware-driven compromise that resulted in unauthorized access to patient information (typical elements in these incidents include identifiers and clinical/billing-related data), with the key confirmed impact being exposure of patient data tied to the practice rather than a long-running operational outage (since the practice was shuttered).
Southern Oregon Neurosurgery
December 30, 2025
•[ email compromise, hacking, data leak ]
Southern Oregon Neurosurgery (Southern Oregon Neurosurgical and Spine Associates, PC) disclosed a hacking incident that stemmed from an email breach and affected at least 1,000 individuals. According to reporting, the incident occurred in November 2025; the organization said its IT staff isolated the issue immediately once identified. The breach was reported to HHS as a hacking/IT incident involving email, indicating unauthorized access to email content (and potentially attachments) that contained patient-related information. While public reporting did not enumerate every exposed field, the confirmed impact is unauthorized access via email compromise with resultant exposure risk to individuals whose information was present in the affected mailbox(es).
University of Lille
December 29, 2025
•[ data leak ]
Unauthorized access to university systems resulted in the exfiltration of student personal data later advertised on an underground forum.
WhiteDate
December 29, 2025
•[ data leak ]
In December 2025, the dating website "for a Europid vision" WhiteDate suffered a data breach that exposed 6k unique email addresses. The breach exposed extensive further personal information including data related to physical appearance, income, education and IQ.
WhiteDate
December 29, 2025
•[ data leak ]
In December 2025, the dating website "for a Europid vision" WhiteDate suffered a data breach that was subsequently leaked online, initially exposing 6.1k unique email addresses. The leaked data included extensive personal information such as physical appearance, income, education and IQ. A more comprehensive dataset was later provided to HIBP, containing usernames, IP addresses, private messages and a total of 20k unique email addresses.
WhiteDate
December 29, 2025
•[ data breach, data leak, personal information ]
In December 2025, the dating website "for a Europid vision" WhiteDate suffered a data breach that was subsequently leaked online, initially exposing 6.1k unique email addresses. The leaked data included extensive personal information such as physical appearance, income, education and IQ. A more comprehensive dataset was later provided to HIBP, containing usernames, IP addresses, private messages, phpBB password hashes and a total of 20k unique email addresses.
Undisclosed Poland distributed energy facilities
December 29, 2025
•[ cyberattack, OT security, critical infrastructure ]
Coordinated cyberattack targeted distributed energy sites in Poland, compromising OT control and communications systems at roughly 30 facilities and damaging some equipment beyond repair, but failing to disrupt electricity supply.
WhiteChild
December 28, 2025
•[ hacktivism, data deletion, white supremacy ]
Hacktivist Martha Root used AI chatbots and a Python script during a Chaos Communication Congress presentation to collect data from white-supremacist platforms and delete WhiteChild, a platform associated with white-supremacist sperm and egg donor matching. Reporting confirms WhiteChild was one of three distinct sites deleted during the same operation.
WhiteDeal
December 28, 2025
•[ hacktivism, data collection, site deletion ]
Hacktivist Martha Root used AI chatbots and a Python script during a Chaos Communication Congress presentation to collect data from white-supremacist platforms and delete WhiteDeal, a marketplace for racist freelance work. Reporting confirms WhiteDeal was one of three distinct sites deleted during the same operation.
Ubisoft
December 27, 2025
•[ data leak, service disruption ]
Ubisoft suffered a breach in which attackers accessed internal systems controlling the Rainbow Six Siege economy and moderation tools. Game services were globally disrupted, requiring rollback and shutdown of servers for nearly two days.
Unleash Protocol
December 26, 2025
•[ Theft, Cryptocurrency, Smart Contract Exploit ]
Unauthorized multisig takeover allowed attacker to deploy a malicious contract upgrade and drain protocol funds, which were later laundered through Tornado Cash.
Complexul Energetic Oltenia
December 26, 2025
•[ ransomware ]
A ransomware attack attributed to the Gentlemen group encrypted internal IT systems at Complexul Energetic Oltenia on December 26 2025 causing partial operational disruption The company isolated affected systems restored operations from backups and stated that national energy supply was not affected Data exfiltration has not been confirmed
At least one customer of Canada Computers
December 26, 2025
•[ Magecart, card skimming, data leak ]
Canada Computers acknowledged a web-based data security incident affecting its online store after a Magecart-style card-skimming script was found embedded on the checkout page. According to reporting, a shopper identified the suspicious script on January 18, 2026, and the malicious code was removed after the findings were publicized. Archived versions of the checkout page suggested the skimmer may have been active since at least late December 2025, meaning payment-form data entered by customers during that window could have been captured. Canada Computers customer notice said an unauthorized user may have accessed customer information such as names, email addresses, and possibly credit card numbers; customers were advised to monitor statements and consider replacing cards.
Chrysler (Stellantis)
December 25, 2025
•[ ransomware, data leak ]
Everest ransomware group claimed it breached Chrysler systems and exfiltrated 1088 GB of data, including Salesforce-related CRM exports and recall/customer service records, and threatened to leak the full dataset.
SudamericaData
December 25, 2025
•[ data leak ]
Threat actors advertised an alleged database from SudamericaData on underground forums, claiming exposure of a large volume of personal and registry data; the company has not publicly confirmed the breach at the time of reporting.
Kamunikat.org
December 25, 2025
•[ unauthorized access, data destruction ]
An attacker obtained administrator-level access to Kamunikat.org and deleted several thousand publications and news items from the online library before access was blocked and restoration began.
