Hamilton County Sheriff’s Office
April 14, 2025
•[ ransomware, data theft, extortion ]
Ransomware attack by the Qilin group encrypted internal systems and took the Hamilton County (Tennessee) Sheriffs Office website offline; attackers demanded $300,000 and claimed data theft, but no exfiltration has been verified; systems fully restored by early May 2025.
OnTrac
April 13, 2025
•[ leak ]
Delivery company OnTrac has suffered a data breach that exposed the personal information of over 40,000 people.
Democratic Party of Korea
April 13, 2025
•[ ddos ]
The Democratic Party of Korea reported three distributed denial-of-service (DDoS) attacks on April 13, 2025, disrupting access to its official website during an internal vote on presidential primary rules; no data loss or operational damage occurred.
Western New Mexico University
April 13, 2025
•[ cyberattack, service disruption ]
Cyberattack beginning April 13 disrupted WNMUs website and other systems; campus Wi-Fi remained down and desktops required IT clearance; temporary website and workarounds used during finals period.
Ontario Health atHome
April 13, 2025
•[ ransomware, data exfiltration, healthcare ]
Ontario Medical Supply (OMS), a vendor supporting Ontario Health atHomes home care supply operations, experienced a ransomware incident in 2025. Reporting described earliest observed access on March 17, 2025, followed by ransomware payload execution on April 13, 2025, after which OMS systems failed and the organization was locked out of a significant portion of servers. Internal reporting referenced impacts to roughly 200,000 patients and indicated breached data included names, contact information, and medical supplies/equipment ordered. OMS later stated only a limited amount of incomplete data was exfiltrated and said it found no evidence of misuse at the time of its statement.
CMC Corporation
April 12, 2025
•[ ransomware, data leak ]
Ransomware group Crypto24 carried out a double-extortion attack against Vietnam-based CMC Corporation on April 12, 2025, exfiltrating roughly 2 TB of internal data and encrypting subsidiary servers for less than one day.
DaVita Inc.
April 12, 2025
•[ ransomware, data leak ]
On April 12, 2025, DaVita reported a ransomware incident that encrypted elements of its network and disrupted some operations. Subsequent disclosures confirmed theft of personal and medical information impacting over one million individuals.
Wolters Kluwer N.V.
April 12, 2025
•[ data leak ]
On April 12 2025, a BreachForums user known as IntelBroker offered for sale a 36 GB dataset allegedly stolen from Wolters Kluwer. The company confirmed an incident affecting its health-journals business but reported no compromise of tax or financial data. The exposed information consisted of professional contact details and profile metadata.
Pepe memecoin website
April 12, 2025
•[ website compromise, phishing, malware ]
The official website for the Pepe (PEPE) memecoin was compromised in a front-end attack that redirected visitors to a malicious site. According to Blockaid and Cointelegraph reporting, the compromised front-end contained code associated with the Inferno Drainer family and redirected users to a fake site that injects malicious code intended to drain crypto wallets. Users were advised to avoid interacting with the site while the issue was being addressed; the reporting did not quantify how many users were affected or whether wallet losses occurred.
At least one individual in southeast Asia
April 12, 2025
•[ malware, fraud, financially motivated attack ]
A criminal threat group tracked as GoldFactory distributed malware targeting users in Southeast Asia, compromising endpoint devices to enable fraud and other financially motivated activity.
Synthient Stealer Log Threat Data
April 11, 2025
•[ hack, malware, technology ]
During 2025, Synthient aggregated billions of records of "threat data" from various internet sources. The data contained 183M unique email addresses alongside the websites they were entered into and the passwords used. After normalising and deduplicating the data, 183 million unique email addresses remained, each linked to the website where the credentials were captured, and the password used. This dataset is now searchable in HIBP by email address, password, domain, and the site on which the credentials were entered.
Synthient Credential Stuffing Threat Data
April 11, 2025
•[ hack, brute-force, technology ]
During 2025, the threat-intelligence firm Synthient aggregated 2 billion unique email addresses disclosed in credential-stuffing lists found across multiple malicious internet sources. Comprised of email addresses and passwords from previous data breaches, these lists are used by attackers to compromise other, unrelated accounts of victims who have reused their passwords. The data also included 1.3 billion unique passwords, which are now searchable in Pwned Passwords.
Multiple Magento e-commerce stores
April 10, 2025
•[ supply-chain attack, e-commerce, data leak ]
Between 500 and 1,000 online stores using third-party Magento extensions were compromised in a supply-chain attack that inserted backdoors allowing remote code execution and possible payment-data theft; incident discovered in April 2025.
SK Group (SK Inc.)
April 10, 2025
•[ ransomware, data leak ]
Qilin listed sk.com on its leak site on April 10 2025, claiming it stole approximately 1 TB of SK Group corporate data. SK has not publicly confirmed the breach or the claimed data volume, and no encryption or operational disruption has been reported.
At least one government agency or state-owned enterprise in Southeast Asia
April 10, 2025
•[ data leak, espionage, government ]
The Record, citing Symantecs Threat Hunter Team, reported that the China-linked APT group Billbug (also known as Thrip and Lotus Blossom) compromised multiple government and critical infrastructure organizations in a Southeast Asian country in April 2025. The campaign involved exploitation of legitimate digital certificates and living-off-the-land tools to exfiltrate sensitive documents from government and military networks. No encryption or disruption was reported, and the activity is assessed as political espionage conducted under Chinas Ministry of State Security.
3P Corporation Pty Ltd
April 10, 2025
•[ ransomware, data leak ]
Melbourne-based financial and tax advisory firm 3P Corporation was listed by the Space Bears ransomware group on Apr 10 2025, which claimed to have stolen ~213 GB of corporate and client data; no encryption or service disruption confirmed; breach publicly reported Jun 2 2025.
Great Plains Federal Credit Union
April 8, 2025
•[ malware, jackpotting ]
On April 8, 2025, two ATMs at Great Plains Federal Credit Union branches in Salina, Kansas, were compromised in a jackpotting incident; attackers installed malware on the ATM OS to force illicit cash dispensing. Amount stolen not disclosed; no data theft reported.
Finnish Parliamentary Parties
April 8, 2025
•[ ddos, hacktivism ]
Pro-Russian hacktivist group NoName057(16) conducted DDoS attacks against websites of Finnish parliamentary parties, temporarily disrupting access for several hours.
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.
Kaukokiito
April 8, 2025
•[ denial-of-service, hacktivism, logistics ]
NoName057(16) carried out denial-of-service attacks against Kaukokiitos website, briefly disrupting logistics service access in Finland.
