Ministry of Science and ICT Revokes Onse Tel Link's Registration for Failing to Block Voice Phishing Impersonating Public Institutions
Violation of Caller ID Spoofing Prevention Orders
Subscribers Must Be Notified of Service Termination
A telecommunications service provider has had its business registration revoked after failing to prevent a voice phishing organization from manipulating outgoing caller IDs to display public institution numbers.
On July 16, the Central Radio Management Office (CRMO) under the Ministry of Science and ICT announced that it has issued a registration cancellation to Onse Tel Link for failing to comply with an order to implement caller ID spoofing prevention measures aimed at blocking voice phishing schemes impersonating public institutions.
Since the end of last year, after receiving reports of suspected voice phishing calls impersonating the main numbers of public organizations such as post offices, as well as card companies and delivery firms, the CRMO carried out an on-site inspection of Onse Tel Link. During this process, violations of the obligation to prevent caller ID spoofing were confirmed, leading to two corrective orders being issued. Onse Tel Link failed to comply with these orders by the deadline of March 6, and after due process, the registration cancellation became final.
Additionally, to minimize harm to existing subscribers, the CRMO issued an order to Onse Tel Link to take user protection measures. Accordingly, Onse Tel Link must individually notify its subscribers about the termination of services.
Those found responsible for the grounds of this registration cancellation, including company representatives, will be barred from becoming executives at facility-based telecommunications service providers for the next three years. Anyone who continues to operate the telecommunications business after registration is canceled may face imprisonment of up to three years or a fine of up to 150 million won.
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Choi Junho, Director-General of the Central Radio Management Office, stated, “Voice phishing impersonating public institutions is a serious crime that inflicts significant financial damage on citizens, and a firm response is necessary toward telecommunications providers who abet such activities.” He added, “We will strictly monitor and supervise to ensure that users experience no inconvenience as a result of this registration cancellation.”
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