Direction générale de la Comptabilité publique et du Trésor
May 10, 2026
•[ cyberattack, data exfiltration, leak site ]
Senegal's Direction gnrale de la Comptabilit publique et du Trsor reported an incident affecting part of its information systems beginning May 10, 2026 and activated continuity measures. Senegalese and cyber-specialist reporting later described the incident as a cyberattack, with AuditTeam claiming exfiltration of more than 70 GB of sensitive data and listing the target on a leak site. Public reporting did not confirm the full data set, final recovery date, or whether personal data was included.
South Alabama Regional Planning Commission
August 6, 2025
•[ hacking, unauthorized access, protected health information ]
South Alabama Regional Planning Commission reported a hacking/IT incident involving unauthorized access to protected health information. Public reporting states that the substitute breach notice did not identify when access was detected or when unauthorized access occurred, but the investigation determined on August 6, 2025 that certain files had been copied from its systems. The incident affected 3,043 individuals.
Tessco Technologies
April 30, 2026
•[ ransomware, data exfiltration, data leak ]
On April 30, 2026, the ransomware group PayoutsKing claimed to have exfiltrated and encrypted 615GB of data from Tessco Technologies, a U.S. wireless communications products distributor, including contact information for over 100,000 individuals and Salesforce records for more than 500,000 customers.
Pecan Tree Dental, PLLC
January 11, 2026
•[ data breach, data exfiltration, personally identifiable information ]
Pecan Tree Dental, PLLC, a dental practice in Grand Prairie, Texas, discovered a cybersecurity incident on January 11, 2026. Sinobi claimed responsibility and claimed to have exfiltrated 250 GB of data. HHS/OCR-style reporting listed 13,300 affected individuals, while DataBreach.com indexed 24,504 rows containing Social Security numbers, email addresses, and phone numbers. Public reporting did not confirm successful encryption or operational disruption.
Radiology Associates of Richmond
July 25, 2025
•[ data breach, unauthorized access, protected health information (PHI) ]
An unauthorized actor accessed Radiology Associates of Richmond's network environment on or about July 25, 2025, and files containing protected health information were acquired. RAR began notifying affected individuals on May 21, 2026; filings reported 266,183 affected individuals.
The European House – Ambrosetti spa
April 1, 2024
•[ technical vulnerability, data exfiltration, unprotected passwords ]
Unauthorized access to The European House Ambrosetti systems through a technical vulnerability in April 2024 resulted in exfiltration of account data for 61,670 people, including employees of client companies and internal staff using online services. Italy's data protection authority later fined the company for inadequate security, unprotected passwords, and delayed notification to affected individuals.
Arbeitsgemeinschaft Wirtschaftlichkeitsprüfung Niedersachsen e.V. (Arwini)
May 5, 2026
•[ ransomware, data exfiltration, health information ]
Kairos ransomware actors attacked Arbeitsgemeinschaft Wirtschaftlichkeitsprfung Niedersachsen e.V. (Arwini), the prescription-review association for statutory health insurance prescriptions in Lower Saxony. Police confirmed Kairos was responsible, that ransomware was used to encrypt data, and that data exfiltration occurred. Potentially affected data included contact, health, and billing information for patients; more than 70,000 records may have been stolen, though the exact scope remained under investigation.
At least one Russian government agency or aviation company
September 1, 2025
•[ phishing, malicious advertising, malware ]
HeartlessSoul has targeted Russian government agencies, aerospace firms, aviation companies, and drone operators since at least September 2025 using phishing emails with infected attachments, malicious advertising, fake aviation-software download sites, fake SourceForge projects, and malware disguised as legitimate software. Public reporting indicates the campaign was successful against one or more victims and resulted in the exfiltration of GIS, satellite, GPS, terrain, digital geographic relief, and other proprietary geospatial data.
Undisclosed Sri Lankan government entity
April 30, 2026
•[ cyber espionage, Shadow-Earth-053, unpatched servers ]
Shadow-Earth-053, a China-aligned espionage cluster, was reported to have compromised an undisclosed Sri Lankan government environment by exploiting unpatched Microsoft Exchange and IIS servers, deploying web shells and ShadowPad, collecting credentials, and exporting mailbox contents.
Undisclosed Malaysian government entity
April 30, 2026
•[ espionage, vulnerability exploitation, unpatched software ]
Shadow-Earth-053, a China-aligned espionage cluster, was reported to have compromised an undisclosed Malaysian government environment by exploiting unpatched Microsoft Exchange and IIS servers, deploying web shells and ShadowPad, collecting credentials, and exporting mailbox contents.
Undisclosed Thai government entity
April 30, 2026
•[ espionage, vulnerability exploitation, web shells ]
Shadow-Earth-053, a China-aligned espionage cluster, was reported to have compromised an undisclosed Thai government environment by exploiting unpatched Microsoft Exchange and IIS servers, deploying web shells and ShadowPad, collecting credentials, and exporting mailbox contents.
Undisclosed Pakistani government entity
April 30, 2026
•[ cyber espionage, Shadow-Earth-053, Microsoft Exchange ]
Shadow-Earth-053, a China-aligned espionage cluster, was reported to have compromised an undisclosed Pakistani government environment by exploiting unpatched Microsoft Exchange and IIS servers, deploying web shells and ShadowPad, collecting credentials, and exporting mailbox contents.
Undisclosed South Korean electronics manufacturer
February 20, 2026
•[ espionage, DLL side-loading, reconnaissance ]
Ministry of Intelligence and Security (MOIS) (MuddyWater), also tracked as Seedworm, breached a major South Korean electronics manufacturer in February 2026 as part of a broader espionage campaign. The actor spent about one week inside the victim network, abused signed Fortemedia and SentinelOne binaries for DLL side-loading, conducted reconnaissance and credential-access activity, and exfiltrated data through a public file-transfer service.
At least one unnamed victim organization
January 1, 2026
•[ social engineering, credential theft, MFA manipulation ]
MuddyWater, an Iran-linked APT associated with Iran's Ministry of Intelligence and Security (MOIS), used Microsoft Teams social engineering against an unnamed victim organization in early 2026. The attackers established remote access, stole credentials, manipulated MFA protections, deployed AnyDesk and DWAgent for persistence, moved laterally, harvested VPN configuration files and other sensitive data, and exfiltrated information. The attackers later sent extortion emails referencing Chaos ransomware and directed the victim to a Chaos leak site, but reporting said no file-encrypting ransomware was deployed, indicating the ransomware framing was likely a false flag for espionage activity.
West Pharmaceutical Services
May 4, 2026
•[ ransomware, data exfiltration, encryption ]
West Pharmaceutical Services detected a ransomware intrusion on May 4, 2026. The company reported that attackers exfiltrated data and encrypted systems, prompting containment actions and disrupting manufacturing, shipping, and receiving operations across multiple global facilities. Public reporting did not identify the threat actor or specify the volume or type of exfiltrated data.
Undisclosed critical infrastructure organization
April 6, 2026
•[ Chinese-nexus intrusions, critical infrastructure, lateral movement ]
Darktrace reported Chinese-nexus intrusions affecting critical infrastructure organizations, with some high-value intrusions involving lateral movement before data exfiltration.
North Texas Behavioral Health Authority
October 13, 2025
•[ network intrusion, data exfiltration, Social Security numbers ]
North Texas Behavioral Health Authority detected a network intrusion in October 2025; investigators found that unauthorized individuals accessed and exfiltrated files containing personal information, including Social Security numbers, affecting 285,000 individuals.
BePrime
April 20, 2026
•[ unauthorized access, missing MFA, credential leak ]
BePrime, a managed cybersecurity services provider in Mexico, was breached in April 2026 after attackers accessed administrator accounts lacking MFA, exfiltrating 12.6 GB of data that included plaintext credentials, client penetration testing reports, Cisco Meraki API keys controlling 1,858 network devices, and live surveillance camera feeds from client offices.
Undisclosed Mongolian government entity
January 1, 2025
•[ cyber espionage, backdoor, data exfiltration ]
In January 2025, China-aligned GopherWhisper deployed Go-based backdoors and an exfiltration tool on roughly a dozen systems at an undisclosed Mongolian government institution, using Discord, Slack, Microsoft 365 Outlook, and File.io for command-and-control and data exfiltration.
National Health Insurance Company (CNAM)
April 1, 2026
•[ cyberattack, data exfiltration, health insurance ]
CNAM confirmed a cyberattack that may have resulted in limited data exfiltration from Moldovas health insurance database.
