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Coverage of cybersecurity incidents, policy, privacy, public-service disruptions, advisories, and regional developments involving Japan.

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Japan covers cybersecurity and information-security developments connected to Japan, including incidents, policy, privacy, advisories, research, and news affecting organizations, public services, and digital systems in the area.

For practitioners, the tag provides geographic context for developments involving Japan's organizations, services, partners, and users. Individual articles provide the specific technologies, threats, sectors, and operational implications relevant to each development.

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A cyberattack hit one of Japan’s largest food companies, Nichirei, disrupting logistics and shipments. The company is gradually restoring operations. Nichirei is one of Japan’s largest food companies, best known for its frozen food business. Founded in 1942 and headquartered in Tokyo, it operates globally through dozens of subsidiaries. The food giant confirmed that the […]

More from Security Affairs 18 Jul 2026, 5:52 a.m. Incident · 4 stories Cyberattack Japan

Japan’s largest taxi operator Nihon Kotsu shut down systems after a malware attack, disrupting dispatch and bookings. Nihon Kotsu, Japan’s largest taxi company, disclosed on July 13, 2026 that its internal systems suffered an unauthorized external access involving malware infection in the early morning hours of Saturday, July 11. The company immediately shut down systems […]

More from Security Affairs 14 Jul 2026, 9:05 p.m. Incident · 4 stories Disclosure Infection Japan Malware Shut Down