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Abbreviation	Definition
MAA	Message Authentication Algorithm
MAAM	Modular Authentication and Authorization Middleware
MAAWG	Messaging Anti-Abuse Working Group
MAC	Message Authentication Code
MACI	Multiple Access Cryptographic Interface
MACID	Medium Access Control IDentifier
MACS	Monitor And Control System
MAIS	Murdoch Authentication and Identification System
MAPS	Mail Abuse Protection System
MASK	Modified Advanced Standard Key
MASKM	Modified Advanced Standard Key Management
MASKMM	Modified Advanced Standard Key Management Module
MB	MegaBytes
MBAE	MalwareBytes Anti-Exploit
MBAM	Malware Bytes Anti-Malware
MCFA	Mirox Cyber Force Academy
MCG	Meta Certificate Group
MCRC	Malicious Code Research Center
MD	Mini-Disk
MDC	Message Digest Cipher

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