The Seven Domains of IT Infrastructure

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Seven Domains of IT Infrastructure

Seven domains can be found in a typical IT infrastructure. They are as follows: User Domain, Workstation Domain, LAN Domain, LAN-to-WAN Domain, Remote Access Domain, WAN Domain, and System/Application Domain. Each of these domains is viewed as portals for attackers if countermeasures are missing or fail. It is very imperative for businesses to protect each of these seven domains. It only takes one unprotected domain for an attacker to gain access to private data.

The User Domain is comprised of individuals that are often not aware of the tricks of attackers. For example, networks usually have strong passwords that one must know in order to gain access to the Internet. Nevertheless, social engineers can persuade individuals to give out personal information such as passwords and other types of private information. By giving out such information can cause computer viruses and infections executed by social engineers. Another way in which the User Domain can fall susceptible to attackers is the activities carried out by individuals on the computer. Visiting dangerous websites, downloading malicious files, and installing infected programs all give invitations to attackers to hack computer systems. In addition, inserting infected