Media Access Control address. A unique identifier given to each network device by its manufacturer. The MAC address is a series of codes separated by dashes.
MAC address filtering
A router feature that allows only computers with authorized MAC addresses to connect to it wirelessly .
macro
A programmable language embedded in a large program, often used to automate tasks .
macro virus
A type of virus that is created in a macro language and embedded in a document. Macro viruses are the most common type of computer virus.
malware
Malicious software. A generic term for software that has been written for malicious or illicit purposes, includes viruses, spyware, and other damaging programming.
memory-resident virus
A type of computer virus that sits in a computer's random access memory (RAM).
modem
A device that connects a computer to an Internet provider or another computer over conventional telephone lines at low speeds.
motherboard
The main circuit board in a computer to which the system's components , including the microprocessor and memory, are attached.
multi-partite virus
A virus that attacks several parts of a computer including programs, files, and boot sectors.
NAT
See network address translation.
network address translation (NAT)
A technology that provides a built-in firewall feature on home network routers by hiding internal IP addresses. It is also known as natural address translation.
