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Inactive · #108 by victimsRansomware group

Tengu

As of Oct 19, 2026, Tengu has listed 46 confirmed victims on its leak site since Oct 23, 2025, 0.1% of all victims tracked by Brandefense. Its most targeted country is United States (17.4% of its victims) and its most targeted sector is Construction.

Tengu is a RaaS operation first observed in October 2025, following a double-extortion model and using Living Off The Land Binaries (LOLBins) to blend malicious activity with normal admin traffic, primarily targeting consumer goods, real estate, automotive, healthcare, and IT sectors.

Also known asShisa
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Confirmed Victims
46
Rank By Victims
#108
Last Leak-Site Post
Mar 10, 2026
Top Country
United States
Top Sector
Construction

Victims Posted Per Month.

Tengu confirmed victims per month
MonthConfirmed victims
November 20252
December 20251
January 202624
February 20268
March 20265
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 Tengu Victims.

Search all 46 →
Latest confirmed leak-site victims claimed by Tengu
VictimCountryIndustryData claimedPosted
crown-security.com.tw
crown-security.com.tw
TWTaiwanGovernment and Public SectorNot stated
Sileno Companies Inc
scirealestate.com
USUnited StatesConstructionNot stated
Communitymosaic.co.uk
communitymosaic.co.uk
GBUnited KingdomUnknownNot stated
Eos Technology srl
eos-tech.it
ITItalyUnknownNot stated
DAINTY CLOUD INC
daintycloudinc.com
USUnited StatesTechnologyNot stated
Al Arif Contracting Co. (L.L.C)
alarifkuwait.com
KWKuwaitUnknownNot stated

How They Operate.

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

TTPs, CVEs and malware →

Who Tengu Targets.

Sectors

  1. Construction36.5%
  2. Education and Research36.5%
  3. Government and Public Sector36.5%
  4. Retail24.3%
  5. Technology24.3%

Countries

  1. USUnited States817.4%
  2. INIndia48.7%
  3. MXMexico48.7%
  4. ITItaly36.5%
  5. MAMorocco36.5%
Shares are of this group's confirmed victims.

History.


  1. First seen in Brandefense data

  2. First confirmed victim listed on its leak site

  3. Busiest month on record: 24 confirmed victims

  4. Most recent leak-site post

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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.