The list of computer security acronyms and abbreviations.

All computer security related acronyms and abbreviations.

4
EGP:
Exterior Gateway Protocol(Network Layer Protocol, Routing, Protocol)
4
ESN:
Electronic Serial Number(Computer Security, Telecommunications, Telecom)
4
FIRST:
Forum of Incident Response and Security Teams(Computer Security)
4
FISMA:
Federal Information Security Management Act(Computer Security)
4
IAB:
Internet Architecture Board(Group, Computer Security, Internet)
4
IS:
Information System(Information, Computer Security, Finance)
4
JPEG:
Joint Photographic Experts Group(Imaging, Image Processing, Extension)
4
MAC:
Message Authentication Code(Networking, Computer Security, Computing)
4
MAN:
Metropolitan Area Network(Computers, Networking, Computer Security)
4
MIN:
Mobile Identification Number(Cellular, Mobile, PHONE)
4
NAS:
Network Access Server(Data Transmission, Communications, Networking)
4
NIC:
Network Interface Card(Computer network, Networking, Network)
4
PGP:
Pretty Good Privacy(ALGorithM, Unix command, Printing)
4
PLC:
Programmable Logic Controller(Electronics, Pulp and Paper, Forest industry)
4
PoE:
Power over Ethernet(Ethernet, Wireless networking, Industrial networking)
4
SCADA:
Supervisory Control and Data Acquisition(Energy, Computer Security)
4
SME:
Subject Matter Expert(Hurricane protection, Military jargon, US army)
4
SMS:
Systems Management Server(WINDOWS, MICROSOFT, Computer Security)
4
SSN:
Social Security Number(Taxation, US taxation, TAX)
4
TFTP:
Trivial File Transfer Protocol(Communications protocol)
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ChicagoSmart Define. 2017. "computer security" http://smartdefine.org/computer_security/abbreviations/r (accessed September 22, 2026).
HarvardSmart Define 2017, computer security, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/computer_security/abbreviations/r>.
MLASmart Define. "computer security" 1 December 2017. Web. 22 September 2026. <http://smartdefine.org/computer_security/abbreviations/r>