Regarding unauthorized relay of external emails by the email relay system managed by our company (third report)

＞Please check here for the first report.
＞Please check here for the second report.
＞Please check here for the final report.

SB Technology (hereinafter referred to as the Company) would like to report on the current situation since the publication of "Regarding unauthorized relay of external emails by the email relay system managed by the Company (First Report, Second Report)".

We deeply apologize for the great concern and inconvenience this incident has caused to our customers and other stakeholders.

1. Status report

① Regarding the state in which unauthorized relay (open relay) is possible
The issue was resolved by fixing the incorrect setting change at 18:55 on March 18th. Since then, there have been no recurrences of unauthorized relay mails being sent by third parties or situations where unauthorized relay is possible.

②About damage caused by sending fraudulent emails
A fraudulent email was sent due to an incorrect emergency maintenance setting at 15:58 on March 18th, but as of today, we have not received any reports of damage.

③ Regarding registration of reception rejection list
At 20:07 on March 20th, we confirmed that the main rejection list had been removed, and it is now possible to send emails to the email addresses necessary for work. Since then, we have not confirmed any email interruptions due to registration on the rejection list that occurred on March 18th.

2. About the future

We will continue to work hard to improve our services so that local government officials can use our services with peace of mind.
We will report again on the specific implementation status of measures to prevent recurrence of this incident.