Citi® uses Secure Sockets Layer (SSL) for secure transmissions.
SSL applies encryption between two communicating applications, such
as your PC and our corporate Internet server. When your data is transmitted
over the Internet, it is encrypted or "scrambled" at the
sending end and then decrypted or "unscrambled" at the receiving
end. We use 128-bit encryption, the highest level generally available
today. Check your browser to be sure it has the added security of
Our secure servers are protected by numerous firewalls, which are
constantly monitored to prevent security breaches.