1. Burkholder, P., 2002. SSL Man-in-the-Middle Attacks. SANS Institute Information Security.
2. The battle against phishing: dynamic security skins;Dhamija,2005
3. Dierks T., Rescorla E., 2008. Transport Layer Security Protocol. Network Working Group, RFC 5246. Available from: .
4. Exum, T., 2007. Graphical passwords. In: Communication Security. (Retrieved December 2013).
5. PassPattern System (PPS): a pattern-based user authentication scheme;Kumar,2008