← All ransomware groups

Ransomware group profile · #219 by claimed victims

Radiant ransomware

Radiant is a financially motivated ransomware group that emerged in September 2025, conducting double- and single-extortion attacks without affiliates, drawing widespread condemnation after attacking UK childcare provider Kido International and publishing photographs, names, and home addresses of over 8,000 children.

Active First seen Oct 2025
8Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
5Countries hit
0Leak-site URLs tracked
29 Oct 2025Latest claim recorded

Victimology

Who Radiant claims to have breached, from 8 leak-site posts recorded by VULONE.

Claims per month last 12 months

Oct 2025: 8OctNov 2025: 0Dec 2025: 0Jan 2026: 0JanFeb 2026: 0Mar 2026: 0Apr 2026: 0AprMay 2026: 0Jun 2026: 0Jul 2026: 0JulAug 2026: 0Sep 2026: 0

Top sectors

Retail & E-Commerce2
Transportation2
Healthcare1
Education1
Agriculture and Food Production1

Top countries

Netherlands2
United States2
Germany1
United Kingdom1
Finland1

Latest claimed victims 8 most recent

VictimSectorCountryClaimed
Spijkermat spijkermat.nl Retail & E-Commerce NL 29 Oct 2025
Docurail docurail.com Transportation FI 16 Oct 2025
Dutch ??? Not Found NL 16 Oct 2025
Kido Schools kidoschools.com Education US 12 Oct 2025
Magna Foodservice magnafoodservice.co.uk Agriculture and Food Production DE 12 Oct 2025
Minnesota Hospital Healthcare US 12 Oct 2025
Retail Texas Retail & E-Commerce 12 Oct 2025
UK Rail Services Transportation GB 12 Oct 2025

All 8 Radiant victims, searchable

Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.

Start free Sign in

Tactics, techniques and procedures

ATT&CK technique mapping for Radiant is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

See full IOCs

Frequently asked

Is Radiant ransomware still active?
Radiant is tracked as active. The most recent leak-site claim VULONE recorded is dated 29 October 2025.
How many victims has Radiant claimed?
VULONE has recorded 8 leak-site victim claims attributed to Radiant since October 2025, across 5 countries and 6 sectors.
Which industries does Radiant target?
The sectors most often named on the Radiant leak site are Retail & E-Commerce, Transportation, Healthcare.
Which countries are most affected by Radiant?
Most Radiant victims recorded by VULONE are located in Netherlands, United States, Germany.
Where does VULONE get Radiant victim data?
Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

Other ransomware groups

Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].