The list of computer security acronyms and abbreviations.

All computer security related acronyms and abbreviations.

25
EU:
European Union(European Union, Political, International)
25
FTP:
File Transfer Protocol(Switching, Application layer protocol)
23
CORBA:
Common Object Request Broker Architecture(Industrial networking)
23
DNS:
Domain Name System(Computer network, Web development, Printing)
23
FAR:
Federal Acquisition Regulation(Governmental, US business, Central)
23
PDF:
Portable Document Format(Adobe, Document processing, Format)
22
WWW:
World Wide Web(Dictionary, Web development, Computers)
21
SIP:
Session Initiation Protocol(Protocol, Network Protocol, Data Transfer)
20
OSI:
Open Systems Interconnection(Computer technology, Trade)
20
CFR:
Code of Federal Regulations(Governmental, US business, Central)
20
RF:
Radio Frequency(Radio, Meterology, Energy)
19
OASIS:
Organization for the Advancement of Structured Information Standards
19
PSTN:
Public Switched Telephone Network(Satellite Communications, PHONE)
18
EDI:
Electronic Data Interchange(Supply chain, CORPORATE, PHONE)
17
GUI:
Graphical User Interface(Web development, Printing, Computer technology)
17
ISP:
Internet Service Provider(Computer network, Wireless networking)
17
IANA:
Internet Assigned Numbers Authority(Computer technology, Computers)
17
TCP:
Transmission Control Protocol(Transport Layer, Switching)
16
ITU:
International Telecommunications Union(Computer Security, Computing, Army)
16
OSHA:
Occupational Safety and Health Administration(Mechanical sealing)
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ChicagoSmart Define. 2017. "computer security" http://smartdefine.org/computer_security/abbreviations/r (accessed September 23, 2026).
HarvardSmart Define 2017, computer security, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/computer_security/abbreviations/r>.
MLASmart Define. "computer security" 1 December 2017. Web. 23 September 2026. <http://smartdefine.org/computer_security/abbreviations/r>