Shin Chuan and subsidiaries were attacked and some files could not be decrypted; the company says it restored from backups

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 ^[1]. Whether the two announcements stem from the same attack awaits further clarification from TOP and Shin Chuan ^[1]. Regarding incident response, Shin Chuan stated that it isolated affected devices, enforced account privilege controls and password changes, and restored systems from backups, with preliminary assessments indicating no leakage of personal data or large volumes of internal documents and no material impact on the operations or finances of the company and its subsidiaries ^[1].

Industries mainly affected: Cross-industry

Regarding incident response, Shin Chuan stated that it isolated affected devices, enforced account privilege controls and password changes, and restored systems from backups, with preliminary assessments indicating no leakage of personal data or large volumes of internal documents and no material impact on the operations or finances of the company and its subsidiaries ^[1]