DNSSEC What it is and what it isn't

DNS hijacking has become a mainstream technique for subverting websites, stealing login credentials, fraud and abuse. The DNS is a complex system with many attack surfaces. Defending the integrity of your DNS is more critical than ever but how?
DNSSEC is a useful layer of a defense in depth of your DNS but it isn't the only layer or technique. Learn in detail what DNSSEC can defend against and what else you need to do.