Ransomware Intelligence / Sectors / Professional services

Sector

Ransomware in Professional services

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

  • 40claims, 7 days
  • 140claims, 30 days
  • 395claims, 90 days
  • 2026-10-15most 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; 14% 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 2026-04-20: 0Week of 2026-04-27: 0Week of 2026-05-04: 0Week of 2026-05-11: 0Week of 2026-05-18: 0Week of 2026-05-25: 0Week of 2026-06-01: 0Week of 2026-06-08: 0Week of 2026-06-15: 0Week of 2026-06-22: 0Week of 2026-06-29: 0Week of 2026-07-06: 0Week of 2026-07-13: 1Week of 2026-07-20: 18Week of 2026-07-27: 21Week of 2026-08-03: 47Week of 2026-08-10: 31Week of 2026-08-17: 39Week of 2026-08-24: 41Week of 2026-08-31: 28Week of 2026-09-07: 17Week of 2026-09-14: 27Week of 2026-09-21: 33Week of 2026-09-28: 32Week of 2026-10-05: 35Week of 2026-10-12: 25
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 51
  2. the gentlemen 34
  3. leakeddata 26
  4. akira 21
  5. coinbase cartel 19
  6. lockbit5 16
  7. inc ransom 13
  8. safepay 11
  9. brain cipher 9
  10. rhysida 9

Countries, last 90 days

  1. United States 159
  2. Unknown 73
  3. Germany 20
  4. France 20
  5. United Kingdom 17
  6. Italy 13
  7. Spain 8
  8. Sweden 8
  9. Canada 7
  10. Switzerland 7
  11. India 7
  12. Australia 6
  13. Brazil 5
  14. South Africa 5
  15. Belgium 3

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

Weekly briefs cover manufacturing, critical infrastructure and K-12 education today. Subscribe to one of those, or write to info@securitysnares.com if you would read one for professional services.

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Other sectors

Data sources

  • Source: CISA KEV
    updated 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: RansomLook
    updated 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.