Network security management includes various rules and procedures adopted by network administrators to ensure that unauthorized users do not obtain access. Security involves a host of policies that limit access. The process makes the network secure and protects and manages network operations. The basic form of network security provides users the ability to distribute a password or ID to individuals to provide access. Network administrators control and must determine the users who can access network data. These users are then provided a password or login ID to access information and programs in their control. Networks can be set as both private and open to the public depending on the network need. Network security also encompasses a wide range of both public and private networks that are utilized in various tasks, including at the job site for communications and business transactions.
The process begins with authentication, which typically involves a username and password. A quick authentication process, such as authenticating a username or password, is commonly referred to as one-factor authentication. A two-factor authentication process typically refers to an item that users keep, such as a security device, token, card or phone. The last categorization, the three-factor authentication, involves a procedure such as a fingerprint or retina scan.
When users are authorized, network policies and access are managed by a firewall. The firewall operates efficiently to halt unauthorized users from accessing the network, but may not be as efficient to determine attacks by viruses or worms. Network administrators should consider anti-virus software to prevent such attacks.
A network administrator must determine the network security management needs. Small businesses need only a standard security system while a large business or enterprise may require additional security resources to stop unauthorized users or attacks.
Small businesses typically require a standard firewall and a basic system for threat management. Standard anti-virus software or anti-spyware program is also a good investment for small business networks. Administrators should also use a strong password and the highest security settings supported by wireless devices. Small business owners should consider changing the network’s default SSID name and disabling the SSID broadcast function since home users tend to not use this function.
Medium sized businesses should enable MAC Address filtering in order to efficiently manage MAC devices on the home network that are connecting to the router along with other necessary security steps.
A government network security system must include a strong proxy and firewall to prevent unauthorized access from both internally and externally. This network system must contain very strong anti-virus software and encryption. In addition, administrators must ensure that hardware is stored in areas that are secure. For government networks, users must implement a private network that is especially for network hosts, in order to keep that private network unseen from other users. Government systems should also contain web servers that are hosted in a DMZ and secure wireless range.
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