Whether you are the administrator of only a single computer, accessing the Internet from home or a coffee shop, or the go-to guy for a thirty thousand user enterprise WAN, a layered approach to security tools deployment can help improve your security profile. Layered SecurityĪ layered approach to security can be implemented at any level of a complete information security strategy. There are actually two separate, but in some respects very similar, concepts that may be named by these phrases. The three phrases are often used interchangeably - but just as often, someone will use two of them to mean completely different things.
Sometimes it seems like everybody talks about “layered security”, “layered defense”, or “defense in depth”, but nobody really knows what it means. What are 'layered security' and 'defense in depth' and how can they be employed to better protect your IT resources? Understanding these strategies and how they can be used to improve your own security is important for any system or network administrator.
Understanding layered security and defense in depth
