To ensure the secure use of the system, we provide the following guidance on logging in and using the service.
1. Accessing the System
- Access is granted after registration for an Integrated Login ID
- Access is restricted for retired faculty and staff (restrictions applied the day following retirement)
exception) Lecturers with contract termination dates on 6.30, 12.31 :
restrictions are applied the day after final day of semester (9.1, 3.1)
- 5 Login attempts with the incorrect password will result in blocked access.
Go to [Find ID/Password] to retrieve Login details
2. Public Key Certificate Login
- Available for use after pre-registering for a Public Key Certificate Login on Info21
- Login with ID/Password to register for [Public Certificate Registration]
- Usable Verification: EPKI, GPKI, NPKI
3. Misc.
- Please make sure to log out after each session to protect personal information.
- Please be aware that closing just the browser on a public PC can expose personal information
- Info21 services may be down during maintenance periods (18:00~18:30)
If you have any questions, please contact the Office of Information Services (Seoul: 02-961-0304, Global: 031-201-3171).
Thank you.
Starting February 13, 2026, two-step verification will be required for off-campus access to Info21.
- For Students
- Major change: Added a two-step verification (identity verification) process to the existing login method.
■ A two-step verification process will be added to the current login system.
Verification Options / Mobile Phone Verification/Email Verification / OTP (One-Time Password)
■ Login Steps
Enter ID/PW -> Complete two-step verification -> Access Info21
■ Before Use
- Update your mobile number and email in Info21
- Install and register the OTP app if using OTP Important
※ Off-campus access will not be available without two-step verification.
※ Do not share verification codes.
Emergency Technical Support(SMS) 031.201.3172
-Office of information Service and Strategy-