Walmart Security Analysis Paper

As Walmart is one of the laggiest retail stores in the world, there are many security implementation and policies need to be configure and apply in order to ensure the high quality of services. Walmart provide various types of services to its customers, it corresponds with many suppliers in the world to provide almost everything to its customers. Walmart network designed as a top down network design, which starts from the end user, moving up to the distribution layer up to the core layer. The network was designed to ensure the three CIA confidentiality, integrity, and availability to their customers. In order to apply each one of the CIA, Walmart network is built to prevent outside, and inside attacks against the network. For the outside attacks, the network is protected with various security implementations such as, implementing firewalls on the border of each local area network (LAN) to the wide are

Moreover, Walmart network was designed to make its data center even more secure by implementing packet filtering to its gateway which will examine each inbound and outbound packet and block unknown or suspicious packets to enter or exit the network. Also for the data center network, Walmart configure specific IP addresses subnet, which will allow only IP addresses within that subnet to be able to communicate with the servers and the databases. On the other hand, nowadays, most customers and other clients access the company database remotely for shopping and monitoring; therefore Walmart uses Virtual Private Network (VPN) to allow them gain access to the network securely. Walmart also uses Virtual Local Area Network (VLAN) which allow employees within same department to have a virtual local network which will increase the security and efficacy of the