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Active · #52 by victimsRansomware group

Interlock

As of Oct 19, 2026, Interlock has listed 131 confirmed victims on its leak site since Oct 13, 2024, 0.4% of all victims tracked by Brandefense. Its most targeted country is United States (80.9% of its victims) and its most targeted sector is Education and Research.

Interlock is a ransomware group first observed in September 2024 that targets critical infrastructure sectors including healthcare, government, education, and technology across North America and Europe using double-extortion, with 57+ claimed victims including a major US dialysis provider exposing over two million patient records.

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Confirmed Victims
131
Rank By Victims
#52
Last Leak-Site Post
Oct 12, 2026
Top Country
United States
Top Sector
Education and Research

Victims Posted Per Month.

Interlock confirmed victims per month
MonthConfirmed victims
November 20255
December 20258
January 20265
February 20264
March 20264
April 20264
May 20265
June 20263
July 20268
August 20263
September 20266
October 2026 (month in progress)10
Updated continuously · figures as of Oct 19, 2026

Latest Interlock Victims.

Search all 131 →
Latest confirmed leak-site victims claimed by Interlock
VictimCountryIndustryData claimedPosted
Nu-Quest Distribution Inc
nuquest.com
CACanadaHealthcareNot stated
Pedigo Products, Inc.
pedigo-usa.com
USUnited StatesHealthcare1391.24 GB
Valenti Management
valentichilisrestaurants.com
USUnited StatesFood and BeverageNot stated
Concord Eye Center
concordeyecenternh.com
USUnited StatesHealthcare283.03 GB
Greentech Environmental
greentechenv.com
USUnited StatesManufacturingNot stated
Engineers Contractors Fabricators Inc. (ECF)
ecfinc.net
USUnited StatesConstruction420.244 GB

How They Operate.

Interlock's threat actor profile lists 76 ATT&CK techniques, 2 exploited CVEs, 21 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who Interlock Targets.

Sectors

  1. Education and Research1914.5%
  2. Healthcare1914.5%
  3. Consulting1410.7%
  4. Government and Public Sector129.2%
  5. Manufacturing118.4%

Countries

  1. USUnited States10680.9%
  2. CACanada96.9%
  3. GBUnited Kingdom86.1%
  4. AUAustralia32.3%
  5. INIndia10.8%
Shares are of this group's confirmed victims.

History.


  1. First confirmed victim listed on its leak site

  2. First seen in Brandefense data

  3. Busiest month on record: 12 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.