Latest coverage for Japan

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 […]

The Colonel stops taking online orders and may close stores after logistics partner’s systems go down

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 […]

Japan's largest taxi operator, Nihon Kotsu, announced that its systems were compromised in a cyberattack, forcing the company to shut down part of its infrastructure. [...]

Aflac Japan has notified regulators that policy details and personal and banking information have been compromised

Hackers stole data from 4.38 million Aflac Japan customers after accessing its systems for 10 days before the breach was detected. Aflac Japan disclosed that hackers stole the personal information of 4.38 million customers and agents after gaining access to its systems between June 15 and June 25. Attackers stole data from the company policyholder […]

American insurance giant Aflac has disclosed a new data breach after attackers breached its Japan subsidiary's systems and stole personal and bank account information of 4.38 million customers. [...]

A wave of phishing emails sent to Booking.com partner accommodations in Japan in May led to blockchain-hosted malware

In this blog entry, TrendAI™ Research examines a wave of phishing emails observed in May 2026 that targeted Japanese accommodation facilities using Booking.com, detailing the victims, attack techniques used, and characteristics of the malware involved.

KDDI Corporation disclosed a breach affecting up to 14.2 million email accounts after attackers exploited a vulnerability in third-party software. KDDI Corporation disclosed a data breach that exposed up to 14.2 million email accounts across six Japanese internet service providers. KDDI Corporation is one of Japan’s largest telecommunications companies. It employs more than 60,000 people […]

A now-patched high-severity security flaw affecting Digital Knowledge KnowledgeDeliver, a Learning Management System (LMS) popular in Japan, was exploited as a zero-day to deliver the Godzilla web shell and ultimately facilitate the deployment of Cobalt Strike Beacon

Mustang Panda campaign deploys updated FDMTP backdoor against Asia-Pacific and Japan networks

Fears exponential increase in attack scale and speed

On December 4, 2025, a 17-year-old was arrested in Osaka under Japan’s Unauthorized Access Prohibition Act. The young man had run malicious code to extract the personal data of over 7 million users of Kaikatsu Club, Japan's largest internet cafe chain. When asked, the young man shared his motivation for the hack: he wanted to buy Pokémon cards

Global financial institutions are panicked over Anthropic's new superhacker AI model. Cyber experts aren't quite as worried.

The deal aims to accelerate AI adoption, train workers, and develop cybersecurity partnerships — the latest move by a hyperscaler to compete for sovereign AI and data centers.

Customizations are causing pain so new cloud will stick to upstream cuts of the open source stack LY Corporation, the Japanese web giant that dominates messaging, e-commerce and payments in many Asian countries, has revealed it is replacing a heavily-customized OpenStack cloud with a more conventional cut of the open source cloud stack – and making massive consolidations along the way.…

In less polite places, this is called ‘hacking back’ or ‘offensive cyber-ops’ Japan’s government yesterday decided to allow its Self-Defense Force to conduct offensive cyber-operations, starting on October 1st.…

Meta on Wednesday said it disabled over 150,000 accounts associated with scam centers in Southeast Asia as part of a coordinated effort in partnership with authorities from Thailand, the U.S., the U.K., Canada, Korea, Japan, Singapore, the Philippines, Australia, New Zealand, and Indonesia

A Chinese keyboard warrior inadvertently leaked information about politically motivated influence operations through a ChatGPT account.