Since this indico instance is hosted on an outward facing server, we have to deal with spam and intrusion attempts, which is why registration is limited to users, who register on the server with a valid email address. We apologise for the inconvenience and kindly ask you to create a user account before registering.
The necessary steps are as follows:
0) Navigate to https://moim.korea.ac.kr/event/31/
1) Click on the "Registration" item in the menu on the left.
2) You will redirected to the login page. If you do not have a user account, please click on the "create one here" link.
3) You will be asked for your email address and be given a captcha.
4) You will be requested to check you inbox.
5) Check you inbox for the email from the indico system (it may arrive in your spam folder).
6) Click on the link the email addressed to you contains and you will be directed to a page to fill in your user data
7) After successfully setting up you user account you will be logged in and directed to the registration page.