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Personal information handling policy
IT Center
             (Seoul)02-961-0304 (Global)031-201-3171
Seoul               
26, Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
Global             
1732, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
Gwangneung
195, Gwangneungsumogwon-ro, Jinjeop-eup, Namyangju-si, Gyeonggi-do 12001, Republic of Korea
Seoul               
26, Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
Global             
1732, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
Gwangneung
195, Gwangneungsumogwon-ro, Jinjeop-eup, Namyangju-si, Gyeonggi-do 12001, Republic of Korea

Sign in Guide


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. Guide to Two-Step Verification

   - two-step verification is required For off-campus access.

   - verification Methods

       Verification Options : Mobile phone, Email, or 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

       To use OTP, install and register the app.

       Emergency Technical Support(SMS) 031-201-3172


4. 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.



Public Key Certificate Information

  • According to the Electronic Goverment Act and Personal Information Protection laws, procedures such as prevention of infringement of electronic documents and administrative information, authentication, document distribution and payment must all be processed based on electronic signatures.
  • Public Key Certificate Login is available for use after registerting for a Public Key Certificate on Info21
  • - Login with ID/Password to register for [Public Certificate Registration]
  • - Usable Verification: EPKI, GPKI, NPKI
  • Key Certificates registered under Info21 can be used for Online Payment system Login (limited to EPKI)

Info21 Two-Step Verification Update

(After 18:30 on Thursday, May 7, 2026)



■ Key Changes

 - Mobile Phone Verification: Discontinued

 - PUSH Authentication (via Intergrated App): Introduced(App Installation required.)


Before: E-mail Verification / OTP Verification / Mobile Phone Verification

After: E-mail Verification / OTP Verification / PUSH(Integrated App) Verification


Emergency Technical Support(SMS) 031-201-3172


-Office of information Service and Strategy-