"Officials believe Lin exploited a vulnerability in the TETRA communication network and remotely triggered the General Alarm signal using unspecified electromagnetic equipment."
"Rail police and telecommunications investigators probed the case after station control room staff ruled out the possibility of official equipment having been stolen or misused by staff."
A 23-year-old university student in Taiwan, identified as Lin, was accused of interfering with the high-speed rail network by remotely triggering a General Alarm signal. This disruption, which lasted 48 minutes on April 5, caused three trains to halt. Investigators initially suspected an inside job but later determined Lin exploited a vulnerability in the TETRA communication network. Police seized multiple radio devices and a laptop during their investigation, which was deemed a threat to transportation safety by authorities.
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