Ransomware Intelligence / Groups / qilin
Ransomware group
qilin
Qilin ransomware was first observed in July of 2022. Qilin Ransomware is written in Golang and supports multiple encryption modes; all of which are controlled by the operator. Qilin actors practice double extortion – demanding payment for a decryptor, as well as for the non-release of stolen data.
- 26claims, 7 days
- 86claims, 30 days
- 350claims, 90 days
- 2026-07-17first seen
- 2026-10-17last seen
These are claims posted by the group on its leak site, counted when we first see them. They are not confirmed incidents, and we never name a victim.
Activity, last 26 weeks
New leak-site claims per week.
Sectors claimed, last 90 days
- Manufacturing 58
- Professional services 58
- Unclassified 34
- Construction 30
- Retail 26
- Financial services 22
- Other 21
- Technology 16
- Transportation and logistics 16
- Healthcare 15
- Critical infrastructure 14
- Government 11
- Higher education 9
- Hospitality 8
- K-12 education 4
- Media and entertainment 4
- Nonprofit 4
Countries claimed, last 90 days
- United States 90
- Unknown 43
- Germany 19
- Spain 17
- United Kingdom 17
- Italy 14
- France 13
- Canada 11
- Argentina 9
- Mexico 9
- Australia 8
- Japan 8
- Chile 6
- Türkiye 6
- Philippines 5
Vulnerabilities with known ransomware use
From CISA's Known Exploited Vulnerabilities catalog, newest first. The catalog does not attribute entries to a specific group; this is the current patch list for any ransomware operator.
| Added | CVE | Vendor / product | Vulnerability |
|---|---|---|---|
| 2026-08-18 | CVE-2026-59310 | Broadcom VMware vCenter | Broadcom VMware vCenter Path Traversal Vulnerability |
| 2026-08-05 | CVE-2026-63077 | JetBrains TeamCity | JetBrains TeamCity Deserialization of Untrusted Data Vulnerability |
| 2026-07-29 | CVE-2026-20316 | Cisco Secure Firewall Management Center (FMC) | Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability |
| 2026-07-14 | CVE-2026-15410 | SonicWall SMA1000 Appliances | SonicWall SMA1000 Appliances Code Injection Vulnerability |
| 2026-07-14 | CVE-2026-15409 | SonicWall SMA1000 Appliances | SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability |
| 2026-07-01 | CVE-2026-45659 | Microsoft SharePoint Server | Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability |
| 2026-06-25 | CVE-2026-12569 | PTC Windchill and FlexPLM | PTC Windchill and FlexPLM Improper Input Validation Vulnerability |
| 2026-06-12 | CVE-2026-35273 | Oracle PeopleSoft Enterprise PeopleTools | Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability |
Track qilin in the weekly brief
One email a week: which groups are active in your sector, what they are exploiting, and what to patch. Drafted from the data on this site and read by a human before it goes out. No sales follow-up.
Data sources
- Source: CISA KEVupdated 2 hours ago
- Opening demands are read from leaked ransomware negotiation chats collected by Ransomchats (MIT licence), using an OpenAI language model. These chats are not a representative sample.updated 2 hours ago
- Source: RansomLookupdated 2 hours ago
- Source: Ransomware.liveupdated 2 hours ago
- Sector, country and region labels are inferred by SecuritySnares from the published organisation name using an OpenAI language model; treat them as estimates.updated 2 hours ago
Leak-site listings reflect claims by threat actors and are not independently verified. Victims are never named on this site unless they have disclosed the incident themselves. Read the methodology.