NEW ONLINE SECURITY DEVICE

Online Security Device.

Your online protection.

Online Security Device. Your online protection.

Enhancing online security has always been our priority. At Citibank, we are committed to making Citibank Online a secured banking environment for you against online fraud.

Effective 1 January 2013, your existing
Online Security Device (OSD)
Your Online Security Device (OSD) is a personalized device that randomly generates One-Time PIN (OTP) and Transaction Authorization Code (TAC). These Security codes ensure greater levels of security for your internet banking transactions via Citibank Online.
will be replaced with a new enhanced device. Besides generating a
One-Time PIN (OTP)
  • OTP is a second level of authentication to your internet banking session that is inbuilt for your security. The first level of authentication is the combination of your Card Number and PIN which you need to enter to login to your internet banking portal
  • OTP is needed to effect an online transaction at Citibank Online or Citi Mobile
  • An OTP is a 6-digit random PIN and can be used for a single time use only
for login and other online transactions, this device offers a more sophisticated authentication process called Transaction Signing, when performing the following transactions:
Adding a new payee
Updating your email address
Performing a high-value funds transfer
Sending a secured message

For more information, refer to FAQs.

New & Enhanced Online Security Device: Starting 1 january 2013, the New Online Device (OSD) will replace the existing device.

Note: No registration of the new device is required. Login to www.citibank.com.sg to start using this device immediately.

Transaction Signing:

Transaction Signing is a new process that has been introduced to increase the security of certain online banking transactions. This process requires the user to enter a 10-digit
Challenge Code
  • Challenge Code is a 10-digit numeric code that is generated by Citibank Online when you are performing one of the transactions requiring Transaction Signing
  • The 10-digit Challenge Code is a combination of the below sequence:

    First 4-digit are transaction specific such as Account Number.

    Last 6-digit are generated randomly.

  • You need to enter the Challenge Code into the device to generate a Transaction Authorization Code (TAC)
which is specific to the online transaction that the user is currently performing into the
Online Security Device.
Your Online Security Device (OSD) is a personalized device that randomly generates One-Time PIN (OTP) and Transaction Authorization Code (TAC). These security codes ensure greater levels of security for your internet banking transactions via Citibank Online.
The device will then generate a unique 6-digit security code named as
Transaction Authorization Code (TAC)
  • TAC is a new code that has been introduced with Transaction Signing.
  • It is a 6-digit code generated by your device and this is needed to complete the following online transactions:

    Adding a new payee.

    Performing high-value funds transfers.

    Updating your personal particulars.

How do I apply?

To apply for the New Online Security Device, contact us via any of the following channels:

Login

Login to
Citibank Online
  • Login to Citibank Online with your Username and Password.
  • Click on "Request for Online Security Device" under Account Services
  • Enter your One-Time PIN (OTP)
  • Write the message and click on "Send This Message" to send it to us
with your User ID and Password

Call-in

Call our 24-Hour dedicated Internet Support Hotline at (65) 6338 2228

Walk-in

Visit any of our
branches
S.No. Branch Location PIN Code
2. (S) 049481
3. Ang Mo Kio
(Level 3)
(S) 569933
4. Jurong East (S) 608546
5. Paragon Citigold Center (Level 14) (S) 238859
6. Tampines Plaza (S) 529541
7. Mac Donald House (S) 238838
8. Asia Square (S) 018960
9. Great World City (S) 237994
10. Holland Village (S) 278985
11. Parkway Parade (S) 449269
island-wide for instant issuance of the device (full-service branches only)

Note: Mandatory documents required for application of OSD at Citibank Branches:

  • For Singapore Citizens / Permanent Residents-Original NRIC
  • For Foreigners-Original Passport.