M
- MAC Media Access Control
- MAC Media Access Control address
- MAC Spoofing
- MAC address
- MAPI Messaging Application Programming Interface
- MB megabyte
- MCID malicious code identifier
- MD5 hash
- MDA message delivery agent
- MDN message disposition notification
- MEBx Intel Management Engine BIOS extension
- MGEX
- MGEX management explorer
- MIB Management Information Base
- MIME Multipurpose Internet Mail Extensions
- MOS Managed Object System
- MOS schema
- MPEG Moving Picture Experts Group
- MPIO
- MPX
- MSCS Microsoft Cluster Server
- MSI
- MSI Package
- MTA mail transfer agent
- MVS multivolume support
- MWC Mirror Write Cache
- Man-in-the-middle attack
- Managed Delivery
- Management Console
- Management Server
- Map Domain
- Map Domain Collection
- Map Domain Node
- Map Domain Tree
- Map or mapping
- Map or mapping
- Mapping object
- Master Boot Record MBR
- Media Manager Enterprise Media Manager, or EMM
- Media and Device Management MDM domain
- Messaging Console
- Meter Controller
- Meter Daemon
- Microsoft Exchange data selection
- Microsoft Patch Management Import
- Microsoft SQL data selection
- Microsoft Software Installer msi file
- Microsoft Windows
- MirrorStore volume
- Mirrored Striped Volume
- Mirrored Volume RAID-1
- Moderate Activity Threshold
- Monitor Agent plug-in
- Monitor Program
- Monitoring-type project
- My Active Practices
- My Reports
- My Security Engine
- My Security Shield
- macro
- macro key
- macro virus
- mailbox group
- mailing list
- mailslot
- main window
- maincf
- maintenance window
- malicious code
- malware
- man pages
- managed computer
- managed host
- managed media server
- managed virtual host
- management
- manipulation
- manual remediation
- mapisp32exe
- mapped network drive
- mapping
- mapping file
- mapping methods
- mark
- masking
- mass-mailing worm
- master and media server cluster
- master node
- master of masters
- master server
- mastering node
- media
- media ID
- media access port
- media boot
- media host
- media label
- media overwrite protection level
- media rotation
- media server
- media server pool
- media set
- media sharing group
- media type
- media vault
- megabyte
- memory resident
- menu
- menu bar
- menu interface
- menu item
- message type
- messaging gateway
- metabase
- metabase engine
- metabase garbage collection
- metabase server
- metadata
- metadata shipping
- meterd
- metering
- metric data
- metric source
- middleware
- migrating
- migration package
- mirror
- mirror disk/UX
- mirrored file system
- mirroring
- mitigating strategies
- mnemonic keyboard
- mobile code
- mode
- model
- model computer
- modem
- modifies files
- module
- monitor interval
- monitor pack
- monitor rule
- monitored computer
- monitoring
- morphing
- motherboard
- motivation
- mount
- mount a volume
- mount point
- mouse-over
- mstaskexe
- mtime
- multi-homed
- multi-volume file system
- multicast
- multicasting
- multinode storage pool
- multipathing
- multiplexed group
- multiplexing
- multistreaming
- multithreaded
- multiuser
- mutual authentication
