MAC Address

Definition: The MAC address (Media Access Control) is an important attribute of each device that is connected to a computer or network. It is a range of unique serial numbers, based upon the IEEE 802 standard and assigned to manufacturers. The numbers are allocated much like the ISBN regime for books and are used for the management of network traffic, security purposes and to administer networks in direct manner. The MAC numbers are separate from IP Addressing. Websites have IP addresses. Every hardware device connected to an information infrastructure has a Media Access Control designation. They are like a VIN# on an automobile.

Its Relevance: The organization’s security policies can utilize the Media Access Control description to manage its network traffic. The unique number can also be used to monitor the “safe condition” of a device. They even may be used by intrusion detection software. The information security plan must provide for protection against Media Access Control spoofing.

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