Banks send One Time Password (OTP) / Online Authentication Code (OAC) to your registered mobile numbers only. Incase your telecom service provider release of your duplicate. SIM card to an unauthorized person, please check your account on Citibank Online or call up CitiPhone. This may help you prevent unauthorized access to your Citibank account.
Personal Computers are easily exposed to Malware, Trojan, Virus etc. Once the Malware gains access to your computer your personal data can easily be made available to the hacker.

Protecting our customers and providing a secure online banking experience is a top priority at Citibank. To ensure you have complete peace of mind on your transactions with sensitive information, we bring you tips and easy steps to practice secure online banking.

A careless or hasty response to fraudulent emails (phishing), telephone calls (vishing) or SMS (smishing) can result in a complete wipe out of hard earned money from your account.

Your transactions are always safe at a Citibank ATM.

If the website you visit is SSL certified, you have to look for https in the URL and the padlock symbol to confirm the authenticity of the website.
EV SSL Certificate is a special certificate which provides clear visual indicators to identify a genuine website. This certificate works on latest browser versions - IE 7, Mozilla Firefox 3, Opera 9.5, & Safari 3.2 and above.

For example, if you use Microsoft Internet Explorer 7 browser and the website you are visiting is EV SSL certified, then the URL address bar will turn green. Green bar tells you that the site is safe and legitimate. A display next to the green bar will have the website name listed along with the Certificate Authority.

Be vigilant and safeguard your money. A simple response to a phishing email can result in a complete wipe out of your hard earned money from your account.