...
Encryption methods used by Quicken to provide secure SSL Secure Sockets Layer (SSL) is an industry-standard cryptographic protocol which that provides secure message transmission on the Internet. The "sockets" part of the term refers to the sockets method of passing data back and forth between a client and a server program in a network or between program layers in the same computer. SSL uses the public-and-private key encryption system from RSA, which also includes the use of a digital certificate. connections include 128-bit RC4 and 168-bit triple DES. Financial institutions and processors have the option of using stronger encryption. Additional security precautions include digital signatures and digital certificates.
...