Richard and Greg talk to Brian Komar about the Public Key Infrastructure (PKI), Extended Validation (EV) Certificates and whether or not anybody notices the green bar in Internet Explorer 7.

	Brian Komar is president of IdentIT Inc. and a security consultant specializing in public key infrastructure and identity lifecycle management engagements. He is the author of Microsoft Windows Server 2003 PKI and Certificate Security (Microsoft Press) and co-author of the Windows Security Resource Kit with Ben Smith. Brian has also been a Microsoft MVP in Security for the past three years.