Dave Piscitello, Senior Security Technologist for ICANN and a member of the Anti-Phishing Workgroup (APWG), describes how scam artists utilize second-level domain names to make it harder for authorities to take down scam web sites. Mark Waldstein and Scott Pinzon, CISSP, discuss security trends, including a TCP/IP stack vulnerability rumored to potentially take down the Internet. And a new segment called "Geek to Geek" spotlights a barbershop quartet that sings about Star Trek. Hosted by Scott Pinzon, CISSP.