1. http://www.microsoft.com/technet/security/bulletin/MS01-017.mspx : Microsoft Security Bulletin MS01-017: Erroneous VeriSign-Issued Digital Certificates Pose Spoofing Hazard: Last Access: 2009.
2. Ackerman, M. S., Cranor, L. F., & Reagle, J. (1999). Privacy in e-commerce: examining user scenarios and privacy preferences (pp. 1–8). New York: ACM Press.
3. Amit, B., & Steve, M. (2003). Authentication in e-commerce. Communications of the ACM, 46, 159–166.
4. Anderson, B. B., Hansen, J. V., Lowry, P. B., & Summers, S. L. (2006). The application of model checking for securing e-commerce transactions. Communications of the ACM, 49, 97–101.
5. Antoniou, G., Batten, L., & Parampalli, U. (2008). Designing information systems which manage or avoid privacy incidents (pp. 131–142). Berlin: Springer.