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Inactive · #310 by victimsRansomware group

Trisec

As of Oct 19, 2026, Trisec has listed 3 confirmed victims on its leak site since Feb 1, 2024, 0.0% of all victims tracked by Brandefense. Its most targeted country is Ireland (33.3% of its victims) and its most targeted sector is Education and Research.

Trisec is a Tunisian-origin ransomware group that emerged in February 2024, claiming affiliation with the Tunisian government and operating as both a financially motivated and state-sponsored mercenary group, exclusively recruiting Tunisian members and reporting nine victims in the first half of 2024.

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Confirmed Victims
3
Rank By Victims
#310
Last Leak-Site Post
Feb 19, 2024
Top Country
Ireland
Top Sector
Education and Research

Victims Posted Per Month.

Trisec confirmed victims per month
MonthConfirmed victims
February 20243
March 20240
April 20240
May 20240
June 20240
July 20240
August 20240
September 20240
October 20240
November 20240
December 20240
January 20250
February 20250
March 20250
April 20250
May 20250
June 20250
July 20250
August 20250
September 20250
October 20250
November 20250
December 20250
January 20260
February 20260
March 20260
April 20260
May 20260
June 20260
July 20260
August 20260
September 20260
October 2026 (month in progress)0
Updated continuously · figures as of Oct 19, 2026

Latest Trisec Victims.

Search all 3 →
Latest confirmed leak-site victims claimed by Trisec
VictimCountryIndustryData claimedPosted
Karolinska Institute
ki.se
SESwedenEducation and ResearchNot stated
Aivi.It
aivi.it
ITItalyRetailNot stated
Cogans Carrigaline
cogans.ie
IEIrelandTransportation and LogisticsNot stated

How They Operate.

Trisec's threat actor profile lists 1 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who Trisec Targets.

Sectors

  1. Education and Research133.3%
  2. Retail133.3%
  3. Transportation and Logistics133.3%

Countries

  1. IEIreland133.3%
  2. ITItaly133.3%
  3. SESweden133.3%
Shares are of this group's confirmed victims.

History.


  1. First confirmed victim listed on its leak site

  2. Busiest month on record: 3 confirmed victims

  3. Most recent leak-site post

  4. First seen in Brandefense data

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.