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Inactive · #54 by victimsRansomware group

Fog

As of Oct 19, 2026, Fog has listed 127 confirmed victims on its leak site since Jun 19, 2024, 0.4% of all victims tracked by Brandefense. Its most targeted country is United States (57.5% of its victims) and its most targeted sector is Education and Research.

Fog, which uses the.flocked extension for encrypted files, was first observed in May in campaigns by Storm-0844, a threat actor known for distributing Akira. By June, Storm-0844 was deploying Fog more than Akira.

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Confirmed Victims
127
Rank By Victims
#54
Last Leak-Site Post
Mar 20, 2025
Top Country
United States
Top Sector
Education and Research

Victims Posted Per Month.

Fog confirmed victims per month
MonthConfirmed victims
June 20242
July 20249
August 20244
September 20244
October 202422
November 202420
December 202422
January 202511
February 202520
March 202513
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 Fog Victims.

Search all 127 →
Latest confirmed leak-site victims claimed by Fog
VictimCountryIndustryData claimedPosted
Newtown Friends School
newtownfriends.org
USUnited StatesUnknownNot stated
RAE (Real Academia Española) (rae.es)
rae.es
ESSpainEducation and ResearchNot stated
University Diagnostic Medical Imaging, PC (udmi.net)
udmi.net
USUnited StatesHealthcareNot stated
El Camino Real Academy (elcaminorealacademy)
elcaminorealacademy.com
USUnited StatesUnknown111 GB
Wilkinson Rogers
wilkinsonrogers.com
GBUnited KingdomUnknownNot stated
Magnolia Manor (magnoliamanor.com)
magnoliamanor.com
USUnited StatesHealthcareNot stated

How They Operate.

Fog's threat actor profile lists 26 ATT&CK techniques, 16 exploited CVEs, 28 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who Fog Targets.

Sectors

  1. Education and Research1511.8%
  2. Manufacturing118.7%
  3. Consulting53.9%
  4. Financial Services53.9%
  5. Transportation and Logistics43.1%

Countries

  1. USUnited States7357.5%
  2. DEGermany64.7%
  3. BRBrazil53.9%
  4. AUAustralia32.4%
  5. CACanada32.4%
Shares are of this group's confirmed victims.

History.


  1. First confirmed victim listed on its leak site

  2. Busiest month on record: 22 confirmed victims

  3. First seen in Brandefense data

  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.