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2-Step Verification

2-Step Verification is an optional field.
We recommend enabling it to secure your account, as it requests verification every time you log in.

How to register 2-Step Factor

  1. Sign in to the CADian web service.

  2. Click on the profile image in the upper right corner to access the My Page menu.

  3. Navigate to the Sign In & Security page > 2-Step Verification section > Enable 2-Step field

  4. Click the toggle button at the far right of the Enable 2-Step to activate it.

    • img : 2-Step Factor Disabled (Inactive)
    • img : 2-Step Factor Enabled (Active)

  5. Click the add button at the far right of the Register 2-Step Factors.

  6. When the 2-Step Verification modal opens, choose between Verify with email or Verify with phone options.

    Two-factor authentication method selection screen

① Verify with email

You can register up to 2 email addresses.

  1. 2-Step Factor Title: Enter a recognizable name for this 2FA.
    Example: Company email, Google email, etc.

  2. Email: Enter the email address where you can receive a verification code.

    ※ You can use the same email address as your Email Account or Recovery Email.

    Email authentication registration screen

  3. Click the SEND CODE button, and a 6-digit code will be sent to the entered email address.

  4. Enter the verification code received via email and click the CONFIRM button to register the email for 2-Step Factor.

    Email verification code entry screen

    Email authentication registration completed screen

② Verify with phone

You can register up to 2 phone numbers.

  1. 2-Step Factor Title: Enter a recognizable name for this 2FA.
    Example: Mobile phone

  2. Phone Number: Select the country code and enter a phone number where you can receive a verification code (enter numbers only, without hyphens or spaces).

    (Country code list is sorted in alphabetical order by country name)

    Phone authentication registration screen

  3. Click the SEND CODE button, and a 6-digit code will be sent to the entered phone number.

  4. Enter the verification code received via SMS and click the CONFIRM button to register the phone number for 2-Step Factor.

    Phone verification code entry screen

    Phone authentication registration completed screen

Failure Cases

  1. The verification code does not match.

    This error message is shown when you enter an incorrect verification code.
    Please double-check your email or SMS and enter the code correctly.

  2. The verification code has already expired.

    This error message is shown when you enter the verification code after the restricted time (Email: 5 minutes, SMS: 3 minutes).
    You can click the RESEND button to receive a new verification code.

How to change 2-Step Factor

To change an existing 2-Step Factor, you must delete it first and register a new one.

  1. Click the img button at the far right of the registered factor.

  2. To delete a 2-Step Factor, you need to first verify it's you. Enter your password and click the OK button.

  3. If the password matches, the selected 2-Step Factor will be deleted.

    Two-factor authentication removal confirmation screen

  4. If you wish to delete more factors, repeat the steps above.

  5. By simply turning off the toggle button img → img, you can skip the 2-Step Verification process while signing in, without having to delete the registered factors.

  6. When you enable the 2-Step again later img → img, previously registered 2-Step factors will remain, and you will be asked to verify with these factors when you sign in.

    Two-factor authentication deactivation completed screen