The list of information technology acronyms and abbreviations.

All information technology related acronyms and abbreviations.

1,992 entry under topic. ×

12
DSL:
Digital Subscriber Line(STANDARDS, Data Transmission, Communications)
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
IEC:
International Electrotechnical Commission(Institute)
12
LDAP:
Lightweight Directory Access Protocol(Application layer protocol)
12
UHF:
Ultra High Frequency(Physics, Computer Security, Computer)
11
DHCP:
Dynamic Host Configuration Protocol(Communications protocol)
11
SMS:
Short Message Service(Online auction, Ebay, PHONE)
11
ARPA:
Advanced Research Projects Agency(Computers, Computer Security, Computer)
11
CRC:
Cyclic Redundancy Check(Computer technology, Industrial networking, DATA)
11
GPRS:
General Packet Radio Service(Cellular, Mobile, Wireless networking)
11
IA:
Information Assurance(Computer Security, Information Technology, Computing)
11
DES:
Data Encryption Standard(Math, Mathematics, IBM)
11
TDMA:
Time Division Multiple Access(Satellite Communications)
10
RIP:
Routing Information Protocol(Network Layer Protocol, Routing)
10
SEI:
Software Engineering Institute(Computer Security, Computer)
10
UML:
Unified Modeling Language(Language, Computing Science, Management)
10
ARP:
Address Resolution Protocol(data link layer protocol)
10
SQL:
Structured Query Language(Programming, Database, Computers)
8 years ago|182k views|share |citing 
APASmart Define. (2018). information technology. Retrieved September 24, 2026, from http://smartdefine.org/information_technology/abbreviations/r/Computer_Security
ChicagoSmart Define. 2018. "information technology" http://smartdefine.org/information_technology/abbreviations/r/Computer_Security (accessed September 24, 2026).
HarvardSmart Define 2018, information technology, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/information_technology/abbreviations/r/Computer_Security>.
MLASmart Define. "information technology" 18 January 2018. Web. 24 September 2026. <http://smartdefine.org/information_technology/abbreviations/r/Computer_Security>