Keio

2 stories · September 2026 to October 2026 · Cybersecurity

Website: keio.co.jp
Ticker: —
Our stories: 2
Covered since: September 26, 2026
Latest: October 6, 2026

October 2026 · 1

Times Car data breach affects 6.6 million accounts, Park24 says; Keio hit by ransomware

A car-sharing service holding driver's license data and a rail and hotel group both disclosed incidents as Japan logged a record half-year for ransomware.

1 hr ago

Night scene in a well-lit parking lot featuring various parked cars and street lamps, illustrating Times Car data breach affects 6.6 million accounts, Park24 says

September 2026 · 1

CybersecurityNews

Keio ransomware attack disrupts hotel bookings and store payments at Japanese rail group

The Tokyo rail operator says trains are running normally, but hotel reservations, retail card payments and card use at bus commuter-pass windows were affected.

10 days ago

A hotel reception desk with a computer screen showing an error, illustrating Keio ransomware attack disrupts hotel bookings and store payments at Japanese rail group

Often covered with Keio

Park24