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According to FTV News, Kang Chiao International School's Linkou campus confirmed to parents that its network systems were breached, and several parents and staff received threatening emails signed by the "Osiris ransomware group" .
According to iThome, on October 30, cable TV and broadband provider Taiwan Optical Platform (TOP) issued a cybersecurity material announcement disclosing that files on certain information systems of the company and its subsidiaries were encrypted, affecting internal system operations; on the same day, TOP's TPEx-listed subsidiary Shin Chuan International Multimedia Technology (6856) issued a similar material announcement stating that information systems of the company and its subsidiaries suffered a cyberattack in which some files could not be decrypted .
According to iThome, Taiwan Optical Platform announced on October 30 that the company and its subsidiaries suffered a cyberattack in which files on some servers were maliciously encrypted .
According to iThome, on the afternoon of September 14, electronics manufacturing services (EMS) and mechanical integration solutions provider Weibao Precision Technology (7744) issued a material announcement on the Market Observation Post System (MOPS), stating that its information systems were breached, resulting in data on certain systems being encrypted and locked; the company immediately activated its cybersecurity incident response mechanism, disconnected networks, isolated affected systems, convened an emergency response team led by the general manager, and engaged an external cybersecurity team to assist with investigation and recovery .
According to iThome, some servers at Fullerton Technology subsidiary GDC Holdings were hit by a ransomware attack on September 7 .
According to iThome, on the evening of September 2, TPEx-listed semiconductor equipment manufacturer Innovation Service (7828) issued a cybersecurity material announcement on the Market Observation Post System (MOPS), stating that it detected a ransomware attack on some of its servers and immediately activated defense mechanisms, network disconnection, and isolation measures upon detecting the anomaly, while launching cybersecurity incident response procedures to comprehensively review security systems and strengthen protections .
According to iThome, on the evening of September 1, emerging stock semiconductor IP company InPsytech (7898) issued a cybersecurity material announcement on the Market Observation Post System (MOPS), stating that its ERP system suffered a hacker encryption attack; after its information security unit detected anomalies in the ERP system and confirmed an encryption attack, it immediately launched comprehensive inspections, incident investigations, and protective operations, and is continuing to verify the scope of impact and conduct root cause analysis .
CVERC warned of multiple attacks in China by "Sorry", a ransomware family that emerged in 2026 and mainly targets internet-exposed Linux web servers .
According to iThome, Union Optronics announced on August 3 that it received notification of a ransomware attack on its information systems and initiated internal security inspections and incident response .
According to iThome, Soal Technology announced on July 20 that a network cybersecurity incident occurred, which was verified to be a ransomware file-encryption attack .
Dutch healthcare IT vendor ChipSoft said it detected anomalies on April 7 that proved to be a ransomware attack, and forensics confirmed criminals stole patient personal data, including medical data, from some Dutch customers .
According to The Daily Star, Shwapno parent company ACI Logistics filed a police report stating that computers at its headquarters were locked by ransomware on August 19, 2025 .
A Nancy metropolitan museum said its online ticketing provider Vivaticket was hit by ransomware on March 2, 2026, encrypting hosted data and disabling online sales; if data was exfiltrated it would cover ticket-account names, contact details and purchase history, not bank data .
According to BleepingComputer, Swedish software supplier Miljödata suffered a suspected ransomware attack in August 2025 .
Dutch medical laboratory Clinical Diagnostics Nederland issued an important notice detailing a security incident involving patient and healthcare worker data .
According to Korea JoongAng Daily, South Korean media reported that online bookstore Yes24 suffered a ransomware attack .
According to iThome, CrazyHunter, which specifically targets Taiwan, struck again in an attack aimed at a Taiwanese corporate group—affecting Netronix, Analog Integrations, and its subsidiary Zunidata Systems, making three companies in the group victims .
According to Argentine media outlet TN, Argentina's National Atomic Energy Commission (CNEA) suffered a ransomware attack .
According to Spanish public broadcaster RTVE, the headquarters of the National Institute for Agricultural and Food Research and Technology (INIA-CSIC) suffered a cyberattack .
Mexican airport operator Grupo Aeroportuario del Centro Norte (OMA) issued an official statement on October 18, 2024, confirming a cybersecurity incident .