Latest cybersecurity reporting from selected sources.

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 […]

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. [...]

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 […]

Also, Cyberattack Disrupts Asahi’s Japan Operations, Halts ProductionThis week, FTC sued Sendit, another Harrods breach, Allianz data breach and a cyberattack disrupted Asahi's Japan operations. WestJet disclosed data theft. Hackers targeted Kido Nursery chain, a VMware privilege escalation flaw was exploited as zero-day, DarkCloud infostealer resurfaced.

Asahi Group Holdings, Ltd (Asahi), the brewer of Japan's top-selling beer, has disclosed a cyberattack that disrupted several of its operations. [...]

Cybersecurity researchers have disclosed details of a coordinated cloud-based scanning activity that targeted 75 distinct "exposure points" earlier this month

Cybersecurity researchers have disclosed a new phishing kit that has been put to use in campaigns targeting Australia, Japan, Spain, the U.K., and the U.S. since at least September 2024

Cybersecurity agencies from Australia, Canada, Germany, Japan, New Zealand, South Korea, the U.K., and the U.S. have released a joint advisory about a China-linked cyber espionage group called APT40, warning about its ability to co-opt exploits for newly disclosed security flaws within hours or days of public release

A new piece of research has detailed the increasingly sophisticated nature of the malware toolset employed by an advanced persistent threat (APT) group named Earth Aughisky