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    • Important Announcement
    • In order to enhance the security of user identity authentication and minimize the threat of internet fraud for our customers, Citi is strengthening its stock trading account security measures by extending two-factor authentication (2FA) to its online / mobile stock services for a safer and more secure Internet trading environment.
    • After 2FA comes into effect, when you use Citibank Online or Citi Mobile for stock trading services, you will be required to enter a One-Time Password (OTP). The OTP can be generated in two ways:
      • Option 1 - Via Mobile Phone: The OTP will be sent automatically via SMS to your registered mobile phone number. Please ensure that you have an active mobile phone number to be able to receive the OTP.
      • Option 2 - Via Security Device: If you possess a registered security device, you can choose to generate the OTP with it.
    • The 2FA will be implemented soon so please stay tuned for further information.
    • Important Announcement
    • Citibank does not send you email asking for your Citibank Online User ID and password, other types of password/PIN or other sensitive information. Please click here for more information on fraud prevention advice.
    • In light of recent news reports regarding telephone scams, Citibank reminds clients never to disclose their personal data or bank account details to unsolicited callers or pre-recorded voice message phone calls requesting such information. Please click here for the important notice on unauthorized calls.
    • Click here to watch the TV Announcement in the Public Interest (API) jointly produced by the Hong Kong Monetary Authority and the Hong Kong Association of Banks and relevant materials to understand how to safeguard yourself from bogus calls purported from banks.
    • If you have received suspicious emails / calls purporting to be from Citibank, please contact us immediately by calling our dedicated hotline at (852) 2860 0370 to verify the sender’s / caller’s identity.
    • You may, at any time, choose not to receive our marketing calls by calling our 24-hour CitiPhone Banking at (852) 2860 0333.
    • Notice
    • To enhance online banking security, input of Online Authorization Code (OAC) will be required for rewards redemption starting from March 22, 2015. The OAC will be sent to your registered mobile phone via SMS when you redeem rewards.
    • For enhancing your browsing experience in our website, please click here for more about browser compatibility information. Please note effective January 11, 2015, Citibank Online will no longer support old version of browsers such as Internet Explorer 6.
    • We also recommend you clearing the browser cache occasionally and relevant guidance can be obtained here.

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