Safeguarding your information online
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.