Student hacked Taiwan high-speed rail to trigger emergency brakes
Student hacked Taiwan high-speed rail to trigger emergency brakes
Publish Date: 2026-05-05 13:34:09
Source Domain: www.bleepingcomputer.com
Summary:
A 23-year-old university student, identified as Lin, was arrested in Taiwan after halting four high-speed railway trains on April 5 by transmitting a high-priority “General Alarm” signal via software-defined radio (SDR) and handheld radios, causing them to brake for 48 minutes. The attack on the TETRA communication system used by Taiwan High-Speed Rail Corporation (THSR) exploited unrotated system parameters over its 19-year operational history, allowing Lin to bypass verification layers. The police located and seized Lin’s equipment at his residence, discovered an accomplice, and charged him with offenses punishable by up to 10 years in prison. The incident has led to criticism and calls for better system security. Authorities do not believe Lin’s defense that the emergency signal was transmitted accidentally.
Key Points:
- A 23-year-old Taiwanese student, Lin, halted four THSR trains by spoofing a high-priority emergency signal using SDR and handheld radios.
- The attack exploited unrotated TETRA system parameters over 19 years, bypassing seven verification layers.
- Lin’s accomplice provided critical THSR parameters for the successful attack.
- The suspect is out on bail, facing charges punishable by up to 10 years of imprisonment, but claims the signal was transmitted accidentally.
- The incident has prompted criticism and scrutiny on the existing security of THSR’s communication system.
