- 3DES – Triple-DES
- AES – Advanced Encryption Standard
- API – Application Programming Interface
- ARP – Address Resolution Protocol
- AV – AntiVirus
- CA – Certificate Authority
- DES – Data Encryption Standard
- DH – Diffie-Hellman*
- DoS – Denial Of Service
- DDoS – Distributed Denial Of Service
- DNS – Domain Name System
- E2EE – End-to-End Encryption
- ECC – Elliptic Curve Cryptosystem*
- EK – Exploit Kit
- EXIF – Exchangeable Image File Format
- FTP – File Transfer Protocol
- IDN – International Domain Name
- IP – Internet Protocol
- IV – Initialization Vector
- HSTS – HTTP Strict Transport Security
- HTTP – HyperText Transfer Protocol
- HTTPS – Hypertext Transfer Protocol Secure
- KVM – Kernel Virtual Machine
- MITM – Man In The Middle
- OS – Operating System
- OTR – Off The Record
- PGP – Pretty Good Privacy
- PHP – Hypertext Preprocessor
- RARP – Reverse Address Resolution Protocol
- RSA – Rivest-Shamir-Adleman*
- SMS – Short Message Service
- SMTP – Simple Mail Transfer Protocol
- SNI – Server Name Indication
- SQL – Structured Query Language
- SSH – Secure Shell
- SSL – Secure Sockets Layer
- SSO – Single Sign-On
- TLS – Transport Layer Security
- UI – User Interface
- URL – Uniform Resource Locator
- VBS – Visual Basic Script
- VM – Virtual Machine
- VPN – Virtual Private Network
- WEP – Wired Equivalent Privacy
- WPA – Wi-Fi Protected Access
- WPS – Wi-Fi Protected Setup
- XSS – Cross-site scripting
- ZRTP – Z & Real Time Protocol
* Encryption Algorithms
This list is by no means exhaustive so are there any acronyms or abbreviations that really need adding? If so please comment below and share with our audience.