122 results
Weblink International (6776) said in a Nov 6 filing that some clients of Cyberbiz, the outsourced provider of its subsidiary Haoyang's online store, suffered unauthorized database access; it had not yet been notified but suspended the store as a precaution .
Taiyen (1737) said in a Nov 6 filing that its e-commerce vendor Cyberbiz reported unauthorized access to part of its database, which holds Taiyen online store order and personal data .
Semiconductor packaging firm Xintec (3374) said in a Nov 6 MOPS filing that an unknown IP address intruded into its internal information systems .
The Japan Network Security Association (JNSA) announced on November 6 that its "Information Security Comprehension Test Service" suffered unauthorized third-party access, potentially exposing personal data for up to approximately 15,128 users .
According to iThome, on the evening of November 3, OTC-listed Microbio Co.
According to iThome, listed household cleaning products manufacturer Mao Bao Inc.
According to iThome, on November 4, restaurant group Wowprime (2727) issued a material announcement on the Market Observation Post System (MOPS), stating that the outsourced shopping website vendor for its subsidiary Wan Hsien experienced an information security incident .
According to Security NEXT, Denny's Japan discovered on October 30, 2026 that application-related systems had been breached by a third party, potentially exposing personal data of legacy app customers .
Kyocera Communication Systems (KCCS) issued a second update on November 6 stating that a web server operated by its subsidiary MOTEX suffered unauthorized access, potentially exposing customer information including company names, personal names, email addresses, and phone numbers .
According to Security NEXT, istyle confirmed on October 28, 2026, that @cosme suffered an intrusion exposing data for some shared-ID members .
Following Google's disclosure of the XCPE botnet, cybersecurity vendor TrendAI published observations from June 3 to October 1 showing approximately 1.
ESET researchers exposed a Russia-aligned threat actor they named Gorbag, active since at least February 2025 and focused exclusively on Ukrainian targets, especially law enforcement and justice entities, local administrations near the front line, the defense sector and a major transportation hub for foreign military aid .
Fortinet FortiGuard Labs published research on Nov 2 saying it has tracked, over several months, a campaign targeting South Asian organizations that uses PowerShell scripts and a custom remote access trojan it calls PapRAT for persistent access, attributing it to BITTER with high confidence .
According to Security NEXT, the Aichi Prefectural Mental Health and Welfare Center lost 79 mental disability certificate applications and 154 medical care for services and supports for persons with disabilities certificate applications, affecting 172 individuals after deduplication .
According to Security NEXT, Japan's Ministry of Economy, Trade and Industry (METI) announced that the Dentrinet website associated with the Electricity and Gas Market Surveillance Commission suffered a cyberattack in the early hours of October 27, 2026 .
According to Security NEXT, the official Fuji-Q Highland app and CLUB Fuji-Q membership website suffered a password list (credential stuffing) attack between September 4 and 7, 2026 .
According to Security NEXT, Giftee Group announced that its subsidiary Giftee suffered unauthorized access exploiting a system vulnerability on October 25, 2026, resulting in a third party illicitly issuing electronic gift vouchers .
According to iThome, apparel and textile distributor Collins Co.
According to Security NEXT, Rakuten Travel Xchange detected anomalies on certain overseas hotel booking pages on September 10, 2026, and an investigation confirmed a compromise .
On October 28, Orange Electronic issued a material information filing on MOPS stating that some of its local area network storage devices had been hit by a ransomware attack, and its cybersecurity team immediately activated defense mechanisms and network isolation .