Yesterday (25th), KT made an official apology and promised compensation for the communication failure that occurred for over an hour across the country during the day.

The cause of the accident was also revealed in more detail, but officials in the information and communication industry say that there are many parts that are difficult to understand.

Reporter Han Sang-woo reported.


KT's Internet network stopped for over an hour, causing damage all over the country.

[Restaurant Self-Employed: The first customer came and went, but he didn't pay.]



: Nothing.

There were no orders, no access, and a lot of complaints.

to customers.]

KT said that it would take responsibility for such damage, and that it would come up with a compensation plan.

In response to some concerns that it may be difficult to compensate for damage as the KT Terms of Use stipulates that it is obligated to compensate for a disability for more than 3 hours, we first expressed our intention to compensate.

However, there is no standard for various service errors using KT network such as online stock trading, damage to classes, and postponement of exams.

KT confirmed that the cause of the accident was an error in setting the network route that occurred during the replacement of the latest equipment.

It is said that they made a mistake while replacing the equipment, and experts say that it is difficult to understand.

The basic rule that equipment replacement work should be done late at night with few users and undergo the testing process several times was not followed.

[Seung-Joo Kim / Professor, Graduate School of Information Security, Korea University: I don't do things like that important setting information change during times when people use the Internet a lot.

Because it can cause problems...


By the way, I did this during the middle of the week as well.] You

should also check why the backup system is not running.

The government ordered a thorough investigation into the circumstances of the accident and the network settings at the time.

(Video coverage: Kim Hak-mo, video editing: Kim Jun-hee, VJ: Park Hyun-woo)