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Inactive · #318 by victimsRansomware group

Nightsky

As of Oct 19, 2026, Nightsky has listed 2 confirmed victims on its leak site since Jul 11, 2025, 0.0% of all victims tracked by Brandefense.

Night Sky is a China-nexus ransomware group (attributed to the "Emperor Dragonfly" cluster) that emerged in late 2021, gaining notoriety in early 2022 by exploiting the Log4Shell vulnerability (CVE-[removed]) to target corporate networks across healthcare, finance, government, and manufacturing using multi-extortion tactics.

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Confirmed Victims
2
Rank By Victims
#318
Last Leak-Site Post
Jul 11, 2025
Top Country
Unknown
Top Sector
Unknown

Victims Posted Per Month.

Nightsky confirmed victims per month
MonthConfirmed victims
July 20252
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 Nightsky Victims.

Search all 2 →
Latest confirmed leak-site victims claimed by Nightsky
VictimCountryIndustryData claimedPosted
AKIJ GROUPUnknownUnknownNot stated
東äo¬ã‚3ãƒ3ピュãƒ1⁄4タã‚μãƒ1⁄4ビã‚1UnknownUnknownNot stated

History.


  1. First seen in Brandefense data

  2. Busiest month on record: 2 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.