By: Prashant Phatak

The author has over 22 years of experience in the field of IT hardware, networking, Web technologies and IT security. Prashant runs his own firm called Valency Networks in India (www.valencynetworks. com) providing consultancy in IT security design, security penetration testing, IT audits, infrastructure technology and business process management. He can be reached at prashant@valencynetworks.com.