Author Description

About the Author Larry Chaffin (CISSP, PMP, JNCIE, MBCP, CWNP, NNCSE, NNCDE, CCNP, CCDP, CCNP-WAN, CCDP-WAN) is the CEO/Chairman of Pluto Networks and the Vice President of Advanced Network Technologies for Plannet Group. He is an accomplished author; he cowrote Managing Cisco Network Security (ISBN: 1-931836-56-6) and has also been a coauthor for 11 other technology books for VoIP, WLAN, security, and optical technologies. Larry has been a Principal Architect around the world in 22 countries for many Fortune 100 companies designing VoIP, Security, WLAN, and optical networks.Johnny Long is a Christian by grace, a professional hacker by trade, a pirate by blood, a ninja in training, a security researcher and author. He can be found lurking at his website (http://johnny.ihackstuff.com). He is the founder of Hackers For Charity(http://ihackcharities.org), an organization that provides hackers with job experience while leveraging their skills for charities that need those skills.Michael Gough is host and webmaster of www.SkypeTips.com, which was launched in January 2005 and receives more than 100,000 hits per month, and www.VideoCallTips.com, which receives more than 30,000 hits per month. Michael writes articles on Skype and related issues. He also explains Skype’s options and instructions to users so that they can practically apply Skype at home and in the workplace. Michael also evaluates products used with Skype and provides feedback to the vendors on features and improvements to help drive the direction of Skype-related products. Michael is also the host and webmaster for www.VideoCallTips.com, a Web site focused on helping people understand how to make video calls to family and friends, and maintains ratings of the many video call solutions available.Michael’s full-time employment is as a computer security consultant with 18 years’ experience in the computer technology field. Michael works for a Fortune 500 company, where he delivers security consulting servi