The Fu Yang 6, a Chinese-flagged vessel, is suspected of deliberately sabotaging undersea fiber-optic cables connecting Taiwan to its outlying islands—critical infrastructure owned and operated by Chunghwa Telecom, Taiwan’s largest telecommunications provider. The attack involved the use of dual AIS transponders to mask the ship’s true location, suggesting a coordinated effort to disrupt regional communications. The cable damage has led to severe outages, crippling internet, voice, and financial transaction services for businesses, government agencies, and residents in affected areas, including Matsu and Kinmen islands.The sabotage aligns with broader geopolitical tensions, with authorities suspecting state-sponsored interference aimed at undermining Taiwan’s infrastructure resilience. While no immediate data breaches were reported, the prolonged disruption threatens economic stability, national security, and public trust in digital infrastructure. The incident also raises concerns about potential escalation, as undersea cables are vital for military communications and global data flows. Recovery efforts are underway, but the attack exposes vulnerabilities in Taiwan’s critical infrastructure, with long-term implications for cybersecurity and regional stability.