According to reports,Korea Telecom (KT) experienced an interruption of about 1 hour and 25 minutes from 11:20 am local time on the 25th.After the accident, KT Internet-based services such as portal websites, securities trading systems, and shop payment systems were all paralyzed. Many users were unable to make calls, or even customer service calls.
According to the latest report, South Korea’s Ministry of Science, Technology, Information and Communication (Ministry of Science and Technology) released on the 29th the results of an investigation into the network breakdown of the telecommunications operator Korea Telecom (KT), saying that it had missed a command word in the process of replacing the equipment, plus internal lack. The safety device caused a large-scale paralysis across the country.
The report pointed out that the investigation found thatAt first, KT’s Domain Name System (DNS) server traffic overload caused network failure. Then the staff was changing companiesrouterThe “exit” command was omitted in the process, which caused a setting error for the first time in the Busan area.
After that, the impact of the network failure spread to Seoul and other parts of the country within 30 seconds, due to the lack of safety devices for data transmission errors within KT.
In addition, the management of equipment replacement is not in place.
The Ministry of Science and Technology of South Korea emphasized that the KT network has not been subjected to large-scale distributed denial of service (DDoS) attacks.The local Ministry of Science and Technology plans to inspect the network management systems of major telecom operators to further strengthen network security.
At the same time, the Broadcasting and Communications Commission is reviewing the implementation of KT’s compensation and discussing effective compensation plans for network failures.