Each year we hear of numerous security breaches or incidents. Name any organization/social media site and there is a possibility, that you too would have received a message “that there was a security breach but your information may have been compromised or your information is safe”. Given the magnanimity of today’s security scenario, wherein even non-security professionals can understand the repercussions of a security incident, it is but necessary to enforce additional security measures to bolster a home or business environment. It is here that the concept of ‘Defense in depth’ comes to the rescue of novice and experienced security practitioners alike. The meaning of ‘Defense in depth’ and the various components of ‘Defense of depth’ approaches forms the basis of discussion in this post.