To guard against possible legal ramifications and the consequences of using the web and networks, an organization usually establishes a(

network security department and network administrator

Explanation:

network security department which is run by network administrator install firewall to enhance the cooperate security of an enterprise. Firewall controls which data traffic is allowed to move from one side to the other side of network. Other security mechanisms which involves IP blocking to save an enterprise for the harms of web and internet. Certain IP are blocked within an enterprise according to the policy of an enterprise.