ThreatVectr
Tag

#Japan

7 stories taggedJapan.

A modern glass office tower at dusk with warm interior lights on upper floors, reflecting a muted city skyline
Breaches

Sakura Internet Says Breach May Have Exposed 1.36 Million Customer Accounts

The Japanese cloud provider, a chosen supplier for Japan's Government Cloud, found the wider intrusion while investigating a smaller hack of its rental server service.

3 min read
Photoreal editorial news image, 16:9, full frame edge to edge, dim server room inside a Taiwanese electronics manufacturing facility, blue and amber status ligh
Threat Intelligence

Silver Fox Hackers Chain Three Vulnerable Drivers to Plant ValleyRAT on Japanese Factory

The Chinese crew abused legitimate but flawed Windows drivers to switch off security tools before dropping a remote-access trojan.

4 min read
A darkened computer server room with ominous lighting, showcasing advanced digital security tools in action, emphasizing cybersecurity themes
Ransomware

Ransomware Hit a Japanese Frozen-Food Giant and KFC Felt It

A cyberattack on Nichirei, one of Japan's biggest cold-chain logistics companies, froze shipments across the country, left KFC franchises warning of shortages, and put a spotlight on how fragile food supply chains really are.

4 min read
Photoreal news-editorial 16:9 image of a large Japanese urban data centre at dusk, exterior shot, rows of cooling units and server ventilation grilles lit by am
Breaches

Cyberattack Hits Nichirei, Japan's Frozen Food Giant, Putting Personal Data at Risk

A July 13 attack knocked out warehouses and shipping lines across Japan. Nichirei says personal information may have been stolen, and a regulator report has already been filed.

3 min read
A row of Japanese taxis parked outside a Tokyo dispatch office at dusk, roof lights dark, a faint red glow from a control room window, empty street, moody overc
Breaches

Japan's biggest taxi firm Nihon Kotsu hit by malware, dispatch system still down

The Tokyo-based operator pulled systems offline over the weekend after detecting unauthorized access. Bookings, phone dispatch and a service for expectant mothers remain suspended.

3 min read
Photoreal news-editorial 16:9 image of a large Japanese urban data centre at dusk, exterior shot, rows of cooling units and server ventilation grilles lit by am
Breaches

12.2 Million People Hit by Data Breach at Japanese Telecom Giant KDDI

A previously unknown flaw in email software exposed the addresses and passwords of millions of customers across five internet providers. Mandatory password resets are now underway.

3 min read
Vulnerabilities

Hard-coded ASP.NET machine keys in KnowledgeDeliver LMS abused to drop Godzilla, then Cobalt Strike

CVE-2026-5426 let attackers forge ViewState payloads against a Japanese LMS used across universities and corporate training portals. The bug was a zero-day before Digital Knowledge shipped a fix.

2 min read
© 2026 Threat Vectr