All CosmicBytez Labs articles tagged #Japan, across news, security advisories, how-to guides, and projects.
A ransomware attack on a major Japanese food and logistics firm has disrupted frozen food supply chains, affecting thousands of franchise clients including Kentucky Fried Chicken outlets.
A cyberattack by Russia-linked RansomHouse on Nichirei Logistics Group, Japan's largest cold-chain operator, halted frozen food shipments across 140 distribution centers and disrupted supply chains for KFC Japan and more than 5,000 corporate clients.
Japanese telecommunications giant KDDI confirmed attackers breached a shared email platform used by six ISPs, exposing 12.2 million email addresses and...
A cyberattack on a major Japanese telecommunications provider compromised an email management system affecting five ISPs, exposing the accounts, webmail...
American insurance giant Aflac has disclosed a data breach impacting 4.38 million customers after attackers compromised its Japan subsidiary, stealing...
Japanese telecom giant KDDI Corporation disclosed a data breach affecting up to 14.22 million email accounts across six ISPs — including Nifty, Biglobe,...
Kyushu Electric Power Co., Inc. has disclosed a physical security incident exposing private data of more than 10 million customers after a hard drive...
A hardcoded machineKey value in KnowledgeDeliver's configuration enabled ViewState deserialization attacks leading to remote code execution and web shell.
A now-patched high-severity zero-day vulnerability in Digital Knowledge's KnowledgeDeliver LMS, a popular learning management system in Japan, was actively.
Mazda Motor Corporation has disclosed a security incident detected in December 2025 in which unauthorized access to a warehouse management system exposed...
Advantest Corporation, the world's leading manufacturer of semiconductor test equipment supplying companies like TSMC, Intel, and Samsung, disclosed a...