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Highest security standards

Citi Handlowy is one of the leading financial institutions in the country in terms of quality standards implemented in the area of Information Security. Currently we have triple certification: ISO 27001 certification in information security management, ISO 22301 certification in business continuity management and ISO 20000 certification in the field of IT service management. Independent auditors recognized that our processes comply with the highest international standards.


Encrypted session

All data starting from your authorization on our website to logging out of the transaction system are secured by the 3.0 SSL (Secure Socket Layer) Protocol that uses advanced cryptographic technology with a 128-bit encryption. Our site is secured by DigiCert Class 3 Extended Validation SSL SGC CA certificate. It allows secure sessions with browsers and ensures that all your transactions made via Citibank Online are SSL encrypted.

SSL Certificate

Our sites are securely protected by an SSL certificate from DigiCert that covers the following addresses:, and SSL certificates with Extended Validation enable the most visible security indicator: the green address bar in high-security browsers, assuring users that your site is secure and your identity has been authenticated to the industry’s highest standards.


Transation safety

  • Remember to regularly check whether the account numbers of your defined payees have not changed.
  • 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.
  • 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.

Anti-virus software

Antivirus software, having an updated information on malware programs is the first line of defense against the threats related to Internet usage. Antivirus software vendors offer protection solutions based on daily anti-malware database updates.