Roger A. GrimesSecurity Adviser blogger, InfoWorld

An InfoWorld security columnist since 2005, Roger Grimes holds over 40 computer certifications and has authored eight books on computer security.

At the Front Lines of Protecting the Internet

VeriSign's CTO on securing the DNS infrastructure and whether new identity certificates add any value.

Hacking Tools: A New Version of BackTrack Helps Ethical Hackers

Linux-based distribution is dedicated to penetration testing/hacking.