Ransomware Victims in Japan

All ransomware attack victims in Japan. Total of 42 victims.

Last updated: Feb 18, 2026, 11:00 PM

Total Victims

42

Last 30 Days

1

Last Attack

Mar 20, 2026

Top Attacking Groups

0apt
5
worldleaks
5
ransomhouse
5

Top Targeted Industries

Manufacturing
43%
Other
14%
Technology
10%

Victims (42)(Showing 42 on this page)

VICTIMGROUPDISCOVEREDCOUNTRYACTIVITY
Tokyo Metropolitan Government (Japan)0aptUnknownJPGovernment
Kyoto Gaming Systems (Japan)0aptUnknownJPTechnology
Tokyo Cybernetics (Japan)0aptUnknownJPTechnology
Osaka Prefectural Government (Japan)0aptUnknownJPGovernment
Osaka Precision Tools (Japan)0aptUnknownJPManufacturing
TSN Co., Ltd.worldleaks2026-03-20JPOther
Bonheurespacebears2026-03-04JPHospitality
Anabuki Kosanqilin2026-02-10JPReal Estate
AOT Japanincransom2026-02-05JPTransportation
LTS Groupworldleaks2026-01-24JPTechnology
47club.jpsafepay2025-12-25JPRetail
LogicVeinqilin2025-12-25JPTechnology
https://www.omnibusjp.comlynx2025-12-23JPMedia & Entertainment
YOKOSUKA GAKUINrhysida2025-12-15JPEducation
YAZAKI Corpincransom2025-12-07JPManufacturing
Sanko Air Conditioning Co., Ltd.qilin2025-12-07JPManufacturing
www.toc.co.jplynx2025-12-06JPReal Estate
Shinko Shojigunra2025-11-26JPManufacturing
TOMOKU CO., LTD.gunra2025-11-26JPOther
vanteceurope.comlynx2025-11-22JPTransportation
Furuno Electricrhysida2025-11-12JPManufacturing
mino-in.co.jpsafepay2025-11-12JPManufacturing
Fujipoly Ltdspacebears2025-11-08JPManufacturing
Kobayashiworldleaks2025-11-03JPOther
Fukoku Co. Ltd.spacebears2025-11-03JPManufacturing
[EVIDENCE PACK 2]ASKULransomhouse2025-10-19JPRetail
[EVIDENCE PACK 3]ASKULransomhouse2025-10-19JPRetail
Mandom Corporationworldleaks2025-10-13JPManufacturing
Kurogane Kasei Co.ransomhouse2025-10-10JPManufacturing
Ushiotermite2025-09-30JPManufacturing
Petro-Diamond (petrodiamond.com) - subsidiary of Mitsubishi Corporationj2025-09-29JPEnergy & Utilities
hitachi-hta.comwarlock2025-09-19JPManufacturing
Nickeworldleaks2025-08-21JPOther
TANI & ABEblacknevas2025-07-27JPLegal Services
Maxell Asiaransomhouse2025-07-21JPManufacturing
JA AKITA KITA LIFE SERVICE, K.Kincransom2025-02-25JPOther
Casio Computer Co., Ltdunderground2024-10-09JPOther
inouemfg.comlockbit32024-08-12JPManufacturing
soken-ce.co.jplockbit32024-08-12JPManufacturing
shinwajpn.co.jplockbit32024-08-12JPManufacturing
tmt-mc.jplockbit32024-04-15JPManufacturing
Gantan Beauty Industryransomhouse2024-03-20JPManufacturing