The list of computer security acronyms and abbreviations.

All computer security related acronyms and abbreviations.

16
UDP:
User Datagram Protocol(Transport Layer, Communications protocol)
15
SCTP:
Stream Control Transmission Protocol(Network Protocol, Data Transfer)
15
MAC:
Media Access Control(Industrial networking, Computer networking)
15
OS:
Operating System(Computer network, Computers, Web slang)
15
FBI:
Federal Bureau of Investigation(Governmental, Central, Administration)
14
ERP:
Enterprise Resource Planning(Supply chain, Format, Environment)
14
OSPF:
Open Shortest Path First(Network Layer Protocol, Routing)
13
RAM:
Random Access Memory(Electronic hardware, Computer engineering)
13
CDMA:
Code Division Multiple Access(Cellular, Mobile, Wireless networking)
13
API:
Application Programming Interface(CORPORATE, Computers, Company)
12
LDAP:
Lightweight Directory Access Protocol(Application layer protocol)
12
UHF:
Ultra High Frequency(Physics, Computer Security, Computer)
12
ETSI:
European Telecommunications Standards Institute(STANDARDS)
12
SMTP:
Simple Mail Transfer Protocol(Communications protocol)
12
VPN:
Virtual Private Network(Computer network, Wireless networking)
12
BGP:
Border Gateway Protocol(Network Layer Protocol, Routing, Data Transmission)
12
DSL:
Digital Subscriber Line(STANDARDS, Data Transmission, Communications)
12
IEC:
International Electrotechnical Commission(Institute)
12
IRS:
Internal Revenue Service(Us taxes, US business, Response)
11
CRC:
Cyclic Redundancy Check(Computer technology, Industrial networking, DATA)
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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>