The browser is designed to use TLS or SSL to encrypt data that your BlackBerry smartphone sends or receives over the Internet through the BlackBerry Enterprise Server. Communication between your smartphone and the BlackBerry Enterprise Server is encrypted using Triple DES. Communication between the BlackBerry Enterprise Server and content servers is encrypted using SSL or TLS. To increase security, you can set up TLS for HTTP connections between your smartphone and the BlackBerry Enterprise Server and use Triple DES encryption for all other communication between your smartphone and the BlackBerry Enterprise Server.