Tetra — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
May 5, 2026
Last Seen
May 7, 2026

Tetra is a technology platform tracked across 1 threat cluster and 4 intelligence report mentions on ThreatCluster. First observed May 5, 2026; most recent activity May 7, 2026.

Related Threat Clusters

  • Taiwan Student Disrupts High-Speed Rail with Radio Hack

    A 23-year-old university student in Taiwan, surnamed Lin, was arrested for halting four high-speed trains for 48 minutes on April 5, 2026. He used software-defined radio (SDR) equipment to transmit a false General Alarm…

    10 articles · Updated May 7, 2026

Recent Intelligence Reports

  • Taiwan High-Speed Rail Disrupted by TETRA Network Exploit — Technadu · May 7, 2026
  • Taiwan cops say student's radio kit brought bullet trains to a standstill — Theregister · May 7, 2026
  • Taiwanese student arrested for halting high-speed trains with radio hack | brief — Scworld · May 6, 2026
  • Student hacked Taiwan high — Bleepingcomputer · May 5, 2026

Related Entities

Zero-day Exploit Taiwan High-Speed Rail Taiwan Transportation Handheld Radios Radio Devices

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