All Threat Groups
ID: killsec
Killsec Syndicate Dossier
First Intercepted
2024-02-21
Latest Disclosure
2026-08-23
Victim Velocity
1.0 / claim
Threat Profile & Operational Narrative
Emerging in late 2023 initially as a hacktivist outfit before transforming in 2024 into a financially driven Ransomware-as-a-Service (RaaS) syndicate, KillSec targeted healthcare, government, and financial entities globally. The group developed C++ encryptors designed for both Windows and VMware ESXi environments, engaging in double extortion by demanding cryptocurrency ransoms and leaking sensitive stolen files on a dark web blog. In September 2026, international law enforcement dismantled the entire operation under 'Operation KillSwitch,' arresting the group's key operators and seizing its central server infrastructure.
Tactics, Techniques & Procedures (MITRE ATT&CK)
T1190: Exploit Public-Facing Application T1078: Valid Accounts T1059.001: PowerShell T1059.003: Windows Command Shell T1021.001: Remote Desktop Protocol T1486: Data Encrypted for Impact T1490: Inhibit System Recovery T1562.001: Disable or Modify Tools T1567.002: Exfiltration to Cloud Storage T1082: System Information Discovery
Known Dark Web Infrastructure & Mirrors
kill432ltnkqvaqntbalnsgojqqs2wz4lhnamrqjg66tq6fuvcztilyd.onion
OFFLINE
ks5424y3wpr5zlug5c7i6svvxweinhbdcqcfnptkfcutrncfazzgz5id.onion
OFFLINE
ks5424y3wpr5zlug5c7i6svvxweinhbdcqcfnptkfcutrncfazzgz5id.onion
ONLINE
Disclosed Victims & Incident Archive (284)
| Disclosed | Victim Organization | Sector | Country |
|---|---|---|---|
| 2026-08-23 | Global Go | General | -- |
| 2026-04-06 | Lee & Sakahara Architects | General | -- |
| 2026-04-06 | G&M Direct Hire | General | -- |
| 2026-04-06 | Capital Cell Global (CCG) | General | -- |
| 2026-04-06 | Ponte16 Hotel & Casino | General | -- |
| 2026-04-06 | JSSR Options Co., Ltd. (JSSR) | General | -- |
| 2026-04-06 | Thanks For The Help | General | -- |
| 2026-04-06 | Government of the People | General | -- |
| 2026-03-17 | hospitalvetdiadema24h.com.br | General | -- |
| 2026-03-17 | palram.com | General | -- |
| 2026-03-14 | meena health | General | -- |
| 2026-03-14 | NextCapitalTrust | General | -- |
| 2026-03-11 | shlomo bit | General | -- |
| 2026-03-06 | MyFair | General | -- |
| 2026-03-06 | MedicalGPT | General | -- |
| 2026-03-06 | yurdriversnetwork | General | -- |
| 2026-02-25 | primaria ungheni | General | -- |
| 2026-02-21 | onlinedivorcetexas.com | General | -- |
| 2026-02-17 | Orain.io | General | -- |
| 2026-02-09 | Getly | General | -- |
| 2026-02-04 | brooklyn group | General | -- |
| 2026-01-23 | X-CD Technologies | General | -- |
| 2026-01-10 | publicsafety.ohio.gov | General | -- |
| 2025-12-24 | grade results | General | -- |
| 2025-12-15 | republica federative do brasil | General | -- |
| 2025-12-14 | dabafinance.com | General | -- |
| 2025-12-09 | screenate | General | -- |
| 2025-12-09 | koncept law | General | -- |
| 2025-12-09 | caryanams | General | -- |
| 2025-12-09 | playroll | General | -- |
| 2025-12-09 | seajob | General | -- |
| 2025-11-27 | Rama Judicial | General | -- |
| 2025-11-15 | Force Brokerage | General | -- |
| 2025-10-23 | National Institute of Administratio... | General | -- |
| 2025-10-23 | Badger Popcorn And Concession Suppl... | General | -- |
| 2025-10-23 | Economy Restaurant Equipment And Su... | General | -- |
| 2025-10-23 | J AND S Electrical And Lighting Sup... | General | -- |
| 2025-10-23 | FAAB Invest Advisors Private Limite... | General | -- |
| 2025-10-23 | DUC App: Global Money Movement, Sim... | General | -- |
| 2025-10-23 | iCare Software | General | -- |
| 2025-10-23 | Vanan Online Services | General | -- |
| 2025-10-04 | KillSec 4.0 | General | -- |
| 2025-09-28 | WalletKu Indompet Indonesia | General | -- |
| 2025-09-28 | XChief / ForexChief | General | -- |
| 2025-09-25 | Study Gate | General | -- |
| 2025-09-22 | Rainwalk Technology | General | -- |
| 2025-09-22 | Fractalite | General | -- |
| 2025-09-22 | BEHCA | General | -- |
| 2025-09-22 | VTK Legal | General | -- |
| 2025-09-22 | AX CAPITAL | General | -- |
| 2025-09-22 | FDB Collections | General | -- |
| 2025-09-22 | MortDash | General | -- |
| 2025-09-22 | Scanbo | General | -- |
| 2025-09-22 | UwayApply | General | -- |
| 2025-09-22 | Top4Fans | General | -- |
| 2025-09-22 | Cadorim | General | -- |
| 2025-09-16 | Allure Clinics | General | -- |
| 2025-09-15 | HappyTenant | General | -- |
| 2025-09-11 | BlockBets Casino | General | -- |
| 2025-09-10 | Princeps Credit Systems Limited | General | -- |
| 2025-09-10 | BusOnlineTicket Thailand | General | -- |
| 2025-09-10 | 1 ACT Driving Schools | General | -- |
| 2025-09-10 | BFLI | General | -- |
| 2025-09-10 | Docklyne | General | -- |
| 2025-09-10 | Accelerated Academy | General | -- |
| 2025-09-09 | AVA Senior Connect | General | -- |
| 2025-09-09 | Nathan And Nathan | General | -- |
| 2025-09-09 | Nathan | General | -- |
| 2025-09-07 | GPS Trackit | General | -- |
| 2025-09-07 | Archer Health | General | -- |
| 2025-09-06 | Suiza Lab | General | -- |
| 2025-09-06 | eMedicoERP | General | -- |
| 2025-09-06 | GoTelemedicina | General | -- |
| 2025-09-06 | MedicSolution+ | General | -- |
| 2025-08-20 | DUC App: Global Money Movement, Simplified | General | -- |
| 2025-08-19 | Doctocliq | General | -- |
| 2025-06-14 | NewGen | General | -- |
| 2025-06-14 | StudentKare | General | -- |
| 2025-05-26 | Novaria | General | -- |
| 2025-05-26 | Sama | General | -- |
| 2025-05-25 | Constructive Building Solutions | General | -- |
| 2025-05-20 | Medswana | General | -- |
| 2025-05-05 | SNS SYSTEM | General | -- |
| 2025-04-17 | Enflame Technology | General | -- |
| 2025-04-02 | Brügger Architekten AG | General | -- |
| 2025-04-02 | Royal Saudi Air Force | General | -- |
| 2025-04-02 | Collective Architecture | General | -- |
| 2025-04-02 | IMA Global | General | -- |
| 2025-04-02 | US BioTek Laboratories | General | -- |
| 2025-04-01 | 747 Studios | General | -- |
| 2025-04-01 | BenefitElect | General | -- |
| 2025-04-01 | Ocuco | General | -- |
| 2025-04-01 | Workers Informática Ltda | General | -- |
| 2025-04-01 | Testima Engineering | General | -- |
| 2025-04-01 | Brella | General | -- |
| 2025-04-01 | Fancy Films | General | -- |
| 2025-04-01 | Lendco | General | -- |
| 2025-04-01 | Nydegger + Finger AG | General | -- |
| 2025-04-01 | Dorel Home | General | -- |
| 2025-04-01 | Hexicor | General | -- |
Showing 100 most recent disclosures of 284 total records. Use the Live Feed or API for complete records.