Ransomware Intelligence / Sectors / Professional services

Sector

Ransomware in Professional services

Law, accounting, consulting, staffing and other business services.

  • 52claims, 7 days
  • 197claims, 30 days
  • 507claims, 90 days
  • 2026-11-04most recent claim

Leak-site listings are claims made by criminals, not confirmed incidents. Sector is assigned from the public listing with an automated classifier and a confidence score; 12% of claims in the last 30 days are not yet classified. If a classification looks wrong, tell us.

Activity, last 26 weeks

New leak-site claims per week against professional services organisations.

Week of 2026-05-11: 31Week of 2026-05-18: 26Week of 2026-05-25: 25Week of 2026-06-01: 16Week of 2026-06-08: 31Week of 2026-06-15: 39Week of 2026-06-22: 15Week of 2026-06-29: 25Week of 2026-07-06: 38Week of 2026-07-13: 19Week of 2026-07-20: 21Week of 2026-07-27: 26Week of 2026-08-03: 50Week of 2026-08-10: 37Week of 2026-08-17: 43Week of 2026-08-24: 46Week of 2026-08-31: 37Week of 2026-09-07: 18Week of 2026-09-14: 30Week of 2026-09-21: 40Week of 2026-09-28: 33Week of 2026-10-05: 42Week of 2026-10-12: 42Week of 2026-10-19: 44Week of 2026-10-26: 55Week of 2026-11-02: 24
Claims per week, oldest to newest. Each bar is a full Monday-to-Sunday week; the newest bar is the current week so far.

Most active groups, last 90 days

  1. qilin 54
  2. the gentlemen 43
  3. leakeddata 34
  4. SilentRansomGroup 22
  5. akira 21
  6. inc ransom 20
  7. lockbit5 20
  8. n0n 18
  9. coinbase cartel 17
  10. brain cipher 16

Countries, last 90 days

  1. United States 254
  2. Germany 32
  3. United Kingdom 26
  4. Unknown 23
  5. Italy 16
  6. France 15
  7. Canada 13
  8. Spain 12
  9. Australia 11
  10. Mexico 10
  11. Brazil 8
  12. Switzerland 8
  13. Sweden 8
  14. Taiwan 5
  15. Argentina 4

Vulnerabilities with known ransomware use

From CISA's Known Exploited Vulnerabilities catalog, newest first. The catalog is not sector-specific; if you run the product, patch it.

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

Weekly brief

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Other sectors

Data sources: CISA KEV, Ransomchats, RansomLook, Ransomware.live, security news outlets · updated 12 hours ago

Sector, country and ransom-demand figures are SecuritySnares estimates made with a language model. Leak-site listings are claims by threat actors and are not independently verified; leak-site victims are never named unless they have disclosed the incident themselves. News headlines are the publishers' own reporting, shown as written and linked to the original. Methodology