CYBER ATTACK / TRANSPORT
KEIO.
KEIO.
CYBER ATTACK
13 news reports on the Keio cyber attack in the last 14 days, 6 of them in the last 24 hours. See every attack on the live map.
Keio cyber attack: the details
- Type: Other attack
- Sector: Transport
- Where: Tokyo, Japan
- Reported as behind it: Qilin, claimed
- Reports, last 14 days: 13
- Latest report: 11:26 UTC, 30 October 2026
6
Average 0.5 a day
See the numbers
| Day | Reports |
|---|---|
| 17 Oct | 0 |
| 18 Oct | 1 |
| 19 Oct | 1 |
| 20 Oct | 1 |
| 21 Oct | 1 |
| 22 Oct | 0 |
| 23 Oct | 1 |
| 24 Oct | 0 |
| 25 Oct | 0 |
| 26 Oct | 0 |
| 27 Oct | 2 |
| 28 Oct | 0 |
| 29 Oct | 0 |
| 30 Oct (so far) | 6 |
Latest Keio news
- Japan's Keio Corporation delays interim earnings to early December after cyberattackBigGo Finance · Other attack · Tokyo, Japan · 30 Oct 2026, 11:26 UTC
- Keio Corporation postpones interim results to early December due to cyber attackBigGo ファイナンス · Other attack · Tokyo, Japan · 30 Oct 2026, 11:26 UTC
- Keio Corporation postpones earnings announcement after ransomware attackYahoo!ニュース · Ransomware · Tokyo, Japan · 30 Oct 2026, 11:01 UTC
- Keio Corporation delays earnings announcement due to ransomware attack, expects to publish in early DecemberYahoo!ファイナンス · Ransomware · Tokyo, Japan · 30 Oct 2026, 10:47 UTC
- Keio Corp postpones April-September earnings release due to cyber attack日本経済新聞 · Other attack · Tokyo, Japan · 30 Oct 2026, 07:26 UTC
- Keio stock: Qilin data claim remains under investigationad-hoc-news.de · Ransomware · Tokyo, Japan · 30 Oct 2026, 01:47 UTC
- Police accept damage report from Keio Electric Railway over ransomware attack that caused system failure時事ドットコム · Ransomware · Tokyo, Japan · 27 Oct 2026, 07:38 UTC
- Keio Group servers hit by ransomware attack, causing system failure; Tokyo police accept damage report and investigateTBS NEWS DIG · Ransomware · Tokyo, Japan · 27 Oct 2026, 04:23 UTC
- Keio confirms ransomware claimsad-hoc-news.de · Ransomware · Tokyo, Japan · 22 Oct 2026, 23:47 UTC
- Keio Electric Railway possibly leaks personal informationYahoo!ニュース · Data breach · Tokyo, Japan · 21 Oct 2026, 07:00 UTC
- Keio investigates ransomware attack; reporting date for Keio stock setad-hoc-news.de · Ransomware · Tokyo, Japan · 20 Oct 2026, 07:00 UTC
- Qilin threatens to release data stolen in Keio Railway cyberattackNews On Japan · Ransomware · Tokyo, Japan · 19 Oct 2026, 07:00 UTC
Every report, last 14 days
- Ransomware attack on Keio Electric Railway group claimed by Russian-linked Qilinビジネス+IT · Ransomware · Tokyo, Japan · 18 Oct 2026, 07:00 UTC