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Inactive · #297 by victimsRansomware group

Blackshadow

As of Oct 19, 2026, Blackshadow has listed 3 confirmed victims on its leak site since Jul 11, 2025, 0.0% of all victims tracked by Brandefense.

BlackShadow is an Iranian-linked hack-and-leak group (linked to the Agrius APT) that targeted Israeli companies including insurance firm Shirbit and hosting provider Cyberserve, leaking medical records of 290,000 patients, using extortion as a tool of geopolitical disruption rather than purely for financial gain.

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Confirmed Victims
3
Rank By Victims
#297
Last Leak-Site Post
Jul 11, 2025
Top Country
Unknown
Top Sector
Unknown

Victims Posted Per Month.

Blackshadow confirmed victims per month
MonthConfirmed victims
July 20253
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 Blackshadow Victims.

Search all 3 →
Latest confirmed leak-site victims claimed by Blackshadow
VictimCountryIndustryData claimedPosted
Shirbit Insurance CompanyUnknownUnknownNot stated
K.L.S CapitalUnknownUnknownNot stated
CyberServe CompanyUnknownUnknownNot stated

How They Operate.

Blackshadow's threat actor profile lists 57 ATT&CK techniques, 7 exploited CVEs, 16 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

History.


  1. First seen in Brandefense data

  2. Busiest month on record: 3 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.