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The Daixin Team has conducted ransomware and data-extortion operations against U.S. healthcare organizations and later claimed a major airline breach that allegedly exposed employee records and data on five million passengers. U.S. authorities said the group has encrypted servers supporting electronic health records, diagnostics, imaging, and intranet services while also stealing PII and PHI to pressure victims into paying. The ransomware has been linked to leaked Babuk Locker source code and has been deployed against VMware ESXi environments after attackers gained privileged access to vCenter and reset administrative passwords.
Investigators said Daixin commonly gains initial access through vulnerable or weakly protected VPN services and previously compromised credentials obtained through phishing, then moves laterally with SSH and RDP while escalating privileges through credential dumping and pass-the-hash techniques. In the airline case, researchers identified two likely intrusion paths: credential theft tied to infostealer malware activity, including infrastructure associated with RedLine, and attacks against a vulnerable public-facing SSH service. The reporting also linked the incident to broader malicious infrastructure overlap and noted the group’s use of tools such as Rclone and Ngrok for exfiltration, reinforcing guidance to prioritize patching, phishing-resistant MFA, segmented networks, and offline immutable backups.
TTPs, infrastructure, and targeting history in one profile.
6 events from the most recent confirmed update back to the earliest known activity.
An information security researcher reported on November 20 that the Daixin Team claimed responsibility for an attack on an airline and alleged exposure of personal data belonging to all employees and five million passengers.
SecurityScorecard reported especially heavy port 22 traffic involving an airline-attributed IP with vulnerable SSH software on September 23, September 24, September 25, November 3, and November 6, suggesting possible probing or attack activity against the service.
Between September 21 and November 21, 66 files containing the victim airline's domain and linked by vendors to malicious activity were submitted to VirusTotal, including Trojan-labeled HTML and script files.
On October 26, 2022, CISA published a joint #StopRansomware advisory with the FBI and HHS detailing Daixin Team tactics, including VPN-based initial access, credential theft, lateral movement, ESXi encryption, and data exfiltration.
A joint FBI, CISA, and HHS advisory said the Daixin Team had been conducting ransomware and data extortion operations against U.S. Healthcare and Public Health sector organizations since at least June 2022.
SecurityScorecard's STRIKE Team later analyzed the claimed airline incident and identified two plausible, non-mutually exclusive initial access paths: credential theft via infostealer malware and attacks against a vulnerable public-facing SSH service.
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Multiple organizations disclosed or were linked to **ransomware/data-extortion** activity with material operational or privacy impact. **Air Côte d’Ivoire** confirmed a cyberattack affecting parts of its information systems after **INC ransomware** claimed theft of **208 GB** and threatened to leak data, while the airline said it engaged the national CERT and external experts to contain impact and maintain flight operations. In the US healthcare sector, **University of Mississippi Medical Center (UMMC)** reported a ransomware incident that forced statewide clinic closures and disrupted access to **Epic** electronic medical records, prompting engagement with the **FBI** and **CISA** and use of downtime procedures to sustain patient care. Separately, **Conduent**’s earlier ransomware-linked breach continued to expand in scope, with breach notifications indicating at least **~25 million** people affected across multiple states and exposure of sensitive PII (including **SSNs** and health/insurance data). **Wynn Resorts** also confirmed an unauthorized party accessed and stole employee data after being listed by the **ShinyHunters** extortion group, with the company stating the actor claimed the data was deleted and that guest operations were not impacted. Other items in the set describe distinct, unrelated security events and broader threat research rather than the same incident: alleged data leaks involving **Burger King France** and **Wendy’s UK**; **Qilin** ransomware claims against a New York City transit union; Russian cyber operations against Ukraine’s power grid focused on intelligence collection; and a New Zealand healthcare application (**MediMap**) taken offline after apparent unauthorized access and **patient record tampering** (e.g., records marked deceased). Additional references cover threat research and trends (airline brand impersonation domains, edge-device exploitation telemetry, MuddyWater’s *Operation Olalampo*, Google Ads cloaking via **1Campaign**, freight/logistics phishing by “Diesel Vortex,” and various governance/AI/5G/quantum commentary), which provide context on the threat environment but do not substantively report on the same specific breach event.
Jun 29, 2026
A major global equipment manufacturer suffered a severe ransomware attack orchestrated by the BlackSuit ransomware group, also known as Ignoble Scorpius. The attack began with a vishing (voice phishing) campaign in which an attacker impersonated the company's IT help desk and convinced an employee to enter their VPN credentials into a phishing site. Using these stolen credentials, the attackers gained initial access to the corporate network. Once inside, they escalated privileges by executing a DCSync attack on a domain controller, allowing them to steal highly privileged credentials, including those of a key service account. The attackers then moved laterally across the network using Remote Desktop Protocol (RDP), Server Message Block (SMB), and tools such as Advanced IP Scanner and SMBExec to map the environment and identify valuable assets. Persistence was established by deploying AnyDesk and a custom remote access trojan (RAT) as scheduled tasks on domain controllers. The threat actors compromised a second domain controller and extracted the NTDS.dit database, which contains all user password hashes, enabling further credential compromise. Over 400 GB of sensitive data was exfiltrated using a renamed rclone utility. To erase forensic evidence and hinder incident response, the attackers deployed CCleaner before launching the ransomware payload. The BlackSuit ransomware was deployed using Ansible, resulting in the simultaneous encryption of hundreds of virtual machines across nearly 60 VMware ESXi hosts, causing widespread operational disruption. The attackers demanded a $20 million ransom, which the organization refused to pay. In response, the manufacturer implemented several security measures, including upgrading to newer Cisco Adaptive Security Appliance firewalls, enforcing multi-factor authentication, segmenting the network, deactivating NTLM, and restricting administrative access to isolated VLANs. The incident highlights the significant risks posed by social engineering and credential theft, as well as the sophisticated tactics used by modern ransomware groups. The attack demonstrates the importance of robust incident response, credential hygiene, and layered security controls to mitigate the impact of such breaches. The use of legitimate remote access tools and living-off-the-land techniques by the attackers complicated detection and response efforts. The exfiltration of large volumes of sensitive data prior to encryption underscores the dual extortion tactics now common among ransomware operators. The manufacturer’s refusal to pay the ransom and rapid implementation of enhanced security controls serve as a case study in post-incident resilience. The attack also illustrates the growing trend of targeting virtualization infrastructure, such as VMware ESXi hosts, to maximize operational disruption. Security researchers and incident responders continue to analyze the tactics, techniques, and procedures (TTPs) used in this attack to inform defensive strategies for other organizations.
Jun 29, 2026
Rome’s **La Sapienza University** shut down network systems as a precaution after a cyberattack caused widespread disruption and left its website offline; Italian media attributed the incident to a suspected ransomware operation linked to pro-Russian actor **Femwar02**, with reported tradecraft resembling **Bablock/Rorschach**-style fast encryption. Separately, Romania’s national oil pipeline operator **Conpet** reported a cyberattack that disrupted corporate IT and took down `www.conpet.ro` while leaving **OT/SCADA** and pipeline transport operations unaffected; **Qilin** claimed responsibility, alleging theft of nearly **1TB** of data and posting sample documents (including financial data and passport scans) to support extortion claims. In the U.S., government services contractor **Conduent** faced expanding breach impact from its January 2025 ransomware incident, with notifications indicating exposure potentially reaching **dozens of millions**; reported affected data includes **names, Social Security numbers, and medical/health insurance information**, with at least **15.4M** impacted in Texas and **10.5M** in Oregon per state disclosures. Additional healthcare-sector disclosures included a ransomware-linked intrusion at **Insightin Health** (unauthorized access in September 2025; **Medusa** claimed exfiltration of **378GB**) and a separate compromise at **Clinic Service Corporation** (August 2025 access window), while **Central Ozarks Medical Center** reported a criminal cyberattack affecting **11,818** individuals with exposure of PHI/PII (including SSNs and financial/insurance data). Other items in the set were not incident-specific: an **HHS-OIG** audit describing web application security weaknesses at a large hospital, and general guidance/education pieces on the value of medical records to attackers and **CISA** insider-threat guidance.
Jun 29, 2026