If you believe you've found a security issue in one of our products or services, we encourage you to notify us.
Please report suspicious e-mails or phishing to firstname.lastname@example.org. To report issues, complaints or questions about banking accounts, cards, fraud, ATMs, or malware via please contact us at 1-800-248-4226, 1-800-945-0258 TDD/TTY (Banking) or 1-800-950-5114, 1-800-325-2865 TDD/TTY (Citi Cards). Any other potential security vulnerabilities can be reported through our Responsible Disclosure Program
For the protection of our customers, Citi will not disclose, discuss, or confirm security issues.
This program is not intended for submitting complaints about Citi's services or products, reporting issues with bank accounts, cards fraud, ATMs, malware or asking questions about the availability of Citi's websites or mobile banking services. This program is also not intended for submitting suspicious or phishing e-mails. Please report suspicious e-mails or phishing to email@example.com.
Please note that this program should not be construed as encouragement or permission to perform any of the following activities:
Citi does not waive any rights or claims with respect to such activities.