College student hacks Taiwan high-speed rail line with software defined radios, stopping four trains
SMRTR summary
A 23-year-old Taiwanese student stopped four high-speed trains for 48 minutes by broadcasting a fake emergency alarm using a Software-Defined Radio. He bypassed seven security layers because the rail system's encryption keys hadn't been updated in 19 years. The incident exposed serious vulnerabilities in Taiwan's transit infrastructure and sparked a government security review, though the student claimed it was accidental.
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