WAN domain is a necessary domain especially when connecting with remote users. In Richman investments, it means connecting with several branches in places such as Atlanta, Georgia, Cincinnati, Ohio, and even Los Angeles, California from the headquarters in Phoenix, Arizona. In order to ensure security at this domain, it is recommended to ensure proper addressing schemes, proper protocol selection and enhanced encryption of communication equipments.
In Richman investments, the database software, operating system, client-server applications, and data stored in the organizations center and their hardware is collectively under this domain. Security measures necessary at this stage is proper authentication, quality network design, authorization, node security, and accounting are an imperative security considerations at this domain.
Other security measures that can be implemented within the company’s IT infrastructure includes eliminating single point of failure, improving security access to sensitive data and ensuring that there is data backup in servers outside the main data centre.