ENABLE FIREWALLS

Enable firewalls that keep unwanted connections from accessing your data, install anti-virus protection software and ensure your operating system and Internet browser are up-to-date.

DO NOT DISCLOSE YOUR SENSITIVE DATA

Do not disclose your card numbers, usernames or passwords to anybody. They should always be memorized and not recorded/written down anywhere. If you need to write them down, make this information encrypted, preventing others from accessing it.

CARD NUMBER AND PIN

Do not keep your PIN, E-PIN or CitiPhone PIN together with your card number.

SMS AUTHORIZATION

When using SMS service, always make sure that the last digits of the beneficiary’s account number correspond to the account number stated in the activating SMS.

STRONG PASSWORDS

Use strong passwords and PINS (e.g. never use your birthday date for your password) and change them regularly.

LOSS OR INTERCEPTION OF THE LOGON CREDENTIALS

If you suspect or know that your sign-in credentials have been lost or intercepted, please contact the Bank immediately via Citi Phone (+48 22) 692 2484 to block access to your account.

BEWARE OF PHISHING EMAILS

Do not reply to emails where you are asked to provide your personal data or passwords. Inform us immediately of all cases of this sort.

In order to provide you with the best customer experience, we sometimes send emails or SMS messages with links to our offers. To find out whether an email or SMS you received is from Citi Handlowy, click here.

DO NOT SAVE PASSWORDS

Do not store your passwords in files stored on your computer.

KEEP YOUR CARD DETAILS SECURE

Do not reveal the information stated on your credit card such as its expiry date and the last 3 digits of the credit card number.

PIN SECURITY

Before you start using your PIN, E-PIN or CitiPhone PIN, make sure that nobody has accessed them before.

SUSPICIOUS LINKS AND ATTACHMENTS

Never open any suspicious links or attachments sent to you via e-mail, SMS or MMS.

LOST DEVICE

If you lose a device which you use for online banking, immediately contact the Bank using the CitiPhone at (+48) 22 692 2484.

In case of any doubts as to the authenticity of the certificate, please check for the following:

• certificate issued for www.online.citibank.pl
• certificate issued by fgbrdc-cxix09-pa7050.eurdmz.dmzroot.net
• certificate valid from 12.11.2020 to 24.10.2021
• owner: Citigroup Inc.
• fingerprint (SHA1) cb11290b66fb52968d5604e59fa6f83866132007

If the information provided on the certificate varies from this stated above, please contact Citibank Online (technical support) on (+48 22) 692 24 84.

Make sure your anti-virus protection software and firewall are active.

If you spot any unusual or suspicious activity, immediately inform us of this fact (+48 22) 692 24 84.

Do not access electronic banking using unknown and improperly secured connections (e.g. public Wi-Fi networks).

Remember that in order to log on to the system you will be asked to enter only your user ID and password – if you are asked to provide other information on the logon screen, please contact us immediately on (+48 22) 692 2484.

Do not bank online on public Wi-Fi networks (net cafe, library, etc.).

Make sure that nobody sees your user name or password when you are logging on to the system.

Never leave your computer unattended while you are logged in to Citibank Online.

When you have finished your online banking session, always remember to properly log out before you close the browser window.

Regularly change your Citibank Online password.

1. Remember to regularly check whether the account numbers of your defined payees have not changed.
2. Before you confirm a transaction, always check whether the account number to which you transfer the funds is the same as the number of the payee stated in the SMS that you received.
3. Check the account and transaction history on your each debit card against any suspicious activity. You can stay on top of all your transactions if you activate the Citi Alerts Premium service.
4. When banking online, never use the copy/paste button to enter the payee’s account number – always enter the number by yourself and double check it.
5. Search your transaction history against any operations that have not been made by yourself. Pay special attention to the transactions made with your debit or credit card. If you find any irregularity, please inform us immediately.
6. Never let any unauthorized persons to access the computer that you use to do your online banking.
7. Regularly change your passwords.
8. Immediately change your personal data such as your PINs, Citibank Online password or username if you suspect someone could have accessed them.

Update your anti-virus software regularly. This way you can protect your computer against viruses and Trojans to a significant extent. If possible, activate automatic virus database updates and regular computer scans.

Remember to update the operating system on your computer, tablet or phone (if it is possible, enable automatic updates). This will allow you to avoid any vulnerabilities in the system through which unauthorized people or programs may access your device. If your software provider does not maintain the software any more or does not continue to work on fixing security vulnerabilities, it is recommended to use a later or other (alternative) software of the same or other provider for which there is a technical support and safety updates provided.

You should also update the web browsers and mobile applications for online banking.

Make sure that the software you use comes from a legal and reliable source. If you use mobile applications, make sure that they are downloaded from official application stores (App Store, Google Play).

Make sure there is firewall installed on your computer. Firewalls protect against unwanted Internet connections - both outgoing and incoming. It is also a useful tool supporting the protection of your privacy against persons who might steal confidential data.

Windows operating systems are provided with in-built firewalls. If you are using other systems or if you simply want to use more extensive protection mechanism check solutions provided by other suppliers.

If you lose the phone to which we send you the one-time passwords, get in touch with us immediately at (+48 22) 692 2484 in order to block the account or change your Citibank Online User ID and Password. In some cases, a change of the contact telephone number and a visit to our branch may be necessary.
If you are unable to contact us, make sure that you change your User ID and Password using Citibank Online (after logging in, go to Products and Services -> My Citibank Online and then Change User ID and Change Password). Make sure to do it only on a trusted and well-secured device.

When your computer is lost If you lose the device which you use to access online banking, where your online banking encryption data could be stored, contact us immediately at (+48 22) 692 2484 in order to block the account or change the User ID and Password used to log into online banking. In specific cases, a change of the contact telephone number and a visit to a branch of the Bank may be necessary.

If you are unable to contact us, make sure that you change the User Name and Password using Citibank Online (after logging in, go to Products and Services -> My Citibank Online and then Change User ID and Change Password). Remember to change this type of data on a trusted and well-secured device.