Taiwan Warns of Data Surveillance Risks from Low-Cost Travel eSIMs

Taiwan’s Digital Ministry has warned that inexpensive eSIMs purchased for travel may route data traffic through China, enabling potential data interception. The advisory specifically targets low-cost eSIMs, though no technical details, brand names, or specific attack methods were disclosed. No dates, affected user numbers, or CVE identifiers were mentioned in the notice. The warning highlights risks of unauthorized surveillance but does not provide evidence of active exploitation. The alert was issued by the Taiwanese government’s cybersecurity authority without further operational or mitigation guidance.