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Inactive · #230 by victimsRansomware group

DarkSide

As of Oct 19, 2026, DarkSide has listed 8 confirmed victims on its leak site since Jul 11, 2025, 0.0% of all victims tracked by Brandefense. Its most targeted country is Canada (25.0% of its victims).

Darkside ransomware group has started its operation in August of 2020 with the model of RaaS (Ransomware-as-a-Service). They have become known for their operations of large ransoms scale. They have announced that they prefer not to attack hospitals, schools, non-profits, and governments, but rather big organizations that can be able to pay large ransoms. Darkside ransomware group became very famous following the cyberattack of the Colonial Pipeline and Toshiba unit. The FBI finally terminate the Darkside operation and Managed to pull money from their wallets back.

Also known asBlackMatter
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Confirmed Victims
8
Rank By Victims
#230
Last Leak-Site Post
Jul 11, 2025
Top Country
Canada
Top Sector
Unknown

Victims Posted Per Month.

DarkSide confirmed victims per month
MonthConfirmed victims
July 20258
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 DarkSide Victims.

Search all 8 →
Latest confirmed leak-site victims claimed by DarkSide
VictimCountryIndustryData claimedPosted
One Call (insurance)GBUnited KingdomUnknownNot stated
Home Hardware Stores LtdCACanadaUnknownNot stated
Companhia Paranaense de Energia (Copel)BRBrazilUnknownNot stated
Segafredo ZanettiITItalyUnknownNot stated
Discount Car and Truck RentalsCACanadaUnknownNot stated
Toshiba Tec GroupUnknownUnknownNot stated

How They Operate.

DarkSide's threat actor profile lists 6 ATT&CK techniques, 5 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who DarkSide Targets.

Sectors

No data for this window right now.

Countries

  1. CACanada225.0%
  2. BRBrazil112.5%
  3. GBUnited Kingdom112.5%
  4. ITItaly112.5%
Shares are of this group's confirmed victims.

History.


  1. First seen in Brandefense data

  2. Busiest month on record: 8 confirmed victims

  3. First confirmed victim listed on its leak site

  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.