M - Definitions
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M
machine authentication
Machine authentication is the authorization of an automated human-to-machine or machine-to-machine (M2M) communication through verification of a digital certificate or digital credentials. Unlike user authentication, the process does not involve any action on the part of a human.
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machine-to-machine (M2M)
Machine-to-machine, or M2M, is a broad label that can be used to describe any technology that enables networked devices to exchange information and perform actions without the manual assistance of humans.
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man-in-the-middle attack (MitM)
A man-in-the-middle (MitM) attack is a type of cyber attack in which the attacker secretly intercepts and relays messages between two parties who believe they are communicating directly with each other.
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meet-in-the-middle attack
Meet-in-the-middle is a known plaintext attack that can greatly reduce the number of brute-force permutations required to decrypt text that has been encrypted by more than one key.
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MEMS (micro-electromechanical systems)
A MEMS (micro-electromechanical system) is a miniature machine that has both mechanical and electronic components.
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mesh network topology (mesh network)
A mesh network is a network in which devices -- or nodes -- are linked together, branching off other devices or nodes.
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micro-location
Micro-location is the process of pinpointing a person's placement to within a few inches or feet using various technologies.
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microcomputer
A microcomputer is a complete computer on a smaller scale and is generally a synonym for the more common term, personal computer or PC, a computer designed for an individual.
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microcontroller (MCU)
A microcontroller is a compact integrated circuit designed to govern a specific operation in an embedded system.
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mobile robot (mobile robotics)
A mobile robot is a machine controlled by software that use sensors and other technology to identify its surroundings and move around its environment.
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MQTT (MQ Telemetry Transport)
MQTT (MQ Telemetry Transport) is a lightweight open messaging protocol that provides resource-constrained network clients with a simple way to distribute telemetry information in low-bandwidth environments.