Caisse Nationale de Sécurité Sociale (CNSS)
April 8, 2025
•[ data leak, hacktivism ]
Moroccos CNSS confirmed a major data breach claimed by the hacktivist group Jabaroot. The attackers accessed and leaked millions of social-security records belonging to private-sector employees and companies. CNSS stated no operational disruption or encryption occurred.
Toppan Next Tech
April 7, 2025
•[ ransomware, data leak, third-party breach ]
A ransomware attack on DBS Bank's third-party printing vendor Toppan Next Tech in Singapore led to the potential exposure of around 8,200 DBS customer statements and related letters, mostly for DBS Vickers trading and Cashline loan accounts. The attacker compromised Toppan's systems, leaving encrypted statement files potentially accessible, but DBS' own banking infrastructure and customer funds remained unaffected. Exposed data in the printed correspondence includes customers' names, mailing addresses and details of equity holdings or loan accounts, while passwords, government ID numbers and balances were not part of the leak. Authorities and cybersecurity agencies are assisting the investigation as DBS halts work with the vendor and notifies affected customers.
Fall River Public Schools
April 7, 2025
•[ ransomware, data leak ]
Fall River Public Schools, Massachusetts, suffered a ransomware attack by the Medusa group that encrypted internal systems and disrupted district operations for several weeks. Attackers demanded $400,000 and claimed to have exfiltrated sensitive data, though the district has not verified theft. Recovery costs exceeded $130,000.
Tri-City Cardiology Consultants (Phoenix, AZ)
April 6, 2025
•[ data leak ]
22,753 patients notified after an unauthorized third party attempted to infiltrate the network around Apr 6; PHI may have been accessed/obtained; notifications sent in May.
Asseco Poland S.A.
April 5, 2025
•[ data leak, infostealer ]
On April 5 2025, Hellcat listed Asseco Poland on its leak site, claiming data exfiltration using Jira credentials stolen through an infostealer. Hudson Rocks analysis confirmed separate credential sets and data exfiltration from Assecos Jira environment. No encryption was reported or confirmed.
Racami LLC
April 5, 2025
•[ data leak, stolen credentials, infostealer ]
On April 5 2025, Hellcat listed Racami on its leak site, stating it had accessed and exfiltrated internal Jira project data using stolen credentials gathered through an infostealer campaign. No encryption or operational disruption was reported.
HighWire Press Inc.
April 5, 2025
•[ infostealer, data leak ]
On April 5 2025, Hellcat claimed access to HighWire Press systems using credentials harvested by an infostealer. Data exfiltration was listed on the Hellcat leak site. No encryption or operational disruption has been confirmed.
LeoVegas Group
April 5, 2025
•[ data leak, infostealer, compromised credentials ]
On April 5 2025, Hellcat listed LeoVegas Group on its leak site, claiming exfiltration of internal data through compromised Jira credentials obtained from an infostealer. Hudson Rock verified the inclusion of LeoVegas in the same credential set. No encryption confirmed.
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.
Oregon Department of Environmental Quality (DEQ)
April 1, 2025
•[ ransomware, data leak ]
On April 1 2025, the Oregon Department of Environmental Quality experienced a ransomware attack attributed to the Rhysida group. The incident encrypted internal servers and disabled key systems, including statewide vehicle inspection services, email, web portals, and internal databases. Rhysida claimed to have exfiltrated over 1 million files and demanded a $2.5 million ransom, though DEQ has not confirmed data theft.
Australian Retirement Trust
April 1, 2025
•[ data leak ]
Cyber criminals used stolen credentials to access ART member accounts during coordinated attacks on Australias pension funds; no confirmed financial loss.
DuPage County Government (Justice Systems)
April 1, 2025
•[ ransomware, data leak ]
Cyberattack on DuPage County, Illinois in early April 2025 encrypted servers supporting court, probation, and clerk operations, forcing justice-system portals offline for several days. Officials confirmed encryption but found no evidence of data theft or leak as of April 10 2025.
Ukrainian government and military entities
April 1, 2025
•[ malware, data leak, espionage ]
Russian FSB 18th Center for Information Security (Gamaredon) deployed updated GammaSteel malware to exfiltrate sensitive data from Ukrainian government and defense networks in an ongoing espionage campaign; no operational disruption reported.
Insignia Financial
April 1, 2025
•[ credential stuffing, data leak ]
Insignia Financial confirmed attempts to access customer portals using stolen credentials during April 2025 campaign; extent of compromise under investigation.
Multiple e-commerce stores using Magento extensions
April 1, 2025
•[ supply-chain attack, malware, webshell ]
Supply-chain compromise of 21 Magento extensions backdoored since 2019, activated in April 2025; between 5001,000 e-stores impacted; at least one webshell observed.
Atlas CPAs & Advisors
March 31, 2025
•[ data leak ]
Accounting firm mailed breach letters beginning March twentieth to impacted individuals.
Samsung Germany
March 31, 2025
•[ data leak, compromised credentials ]
Threat Actor Published Samsung Germany Customer Ticket Records Using Long-Compromised Credentials.
ImagineX Management Company Limited
March 31, 2025
•[ data leak, misconfiguration, outdated systems ]
A breach at the Hong Kong brand-management firm ImagineX Management Company Limited led to the exposure of nearly 128,000 individuals personal data after attackers exploited an unused temporary user account and gained access to the company intranet, with the root cause attributed to outdated operating systems and delayed deletion of temporary accounts
Europcar Mobility Group
March 30, 2025
•[ data leak ]
Europcar Mobility Group confirmed that an unauthorized actor accessed its GitLab server, exposing internal repositories, configuration files, and database backups containing up to 200 000 customer records. The leaked material included mobile-app source code, environment (.env) files, and SQL backups totaling about 37 GB. No evidence of encryption or operational disruption was reported. Europcar disabled the compromised instance and began an internal investigation.
