1 TLS - Transport Layer Security 2 SSL - Secure Sockets Layer 3 VPN - Virtual Private Network 4 SSH - Secure Shell 5 SIEM - Security Information and Event Management 6 SDLC - Software Development Life Cycle 7 SOC - Security Operations Center 8 S/MIME - Secure/Multipurpose Internet Mail Exchanger 9 SQL - Structured Query Language 10 SDN - Software Defined Networking 11 SFTP - Secured File Transfer Protocol 12 SAML - Security Assertions Markup Language 13 SCADA - System Control and Data Acquisition 14 SAN - Storage Area Network 15 SAE - Simultaneous Authentication of Equals 16 S/MIME - Secure/Multipurpose Internet Mail Exchanger 17 SMTP - Simple Mail Transfer Protocol 18 SDK - Software Development Kit 19 SOAP - Simple Object Access Protocol 20 SSL - Secure Sockets Layer 21 SFTP - Secured File Transfer Protocol 22 SQLi - SQL Injection 23 SPF - Sender Policy Framework 24 SIM - Subscriber Identity Module 25 SHA - Secure Hashing Algorithm 26 SNMP - Simple Network Management Protocol 27 TCP/IP - Transmission Control Protocol/Internet Protocol 28 SSO - Single Sign-On 29 SMTPS - Simple Mail Transfer Protocol Secure 30 SCAP - Security Content Automation Protocol 31 SED - Self-Encrypting Drives 32 UEFI - Unified Extensible Firmware Interface 33 UEM - Unified Endpoint Management 34 URL - Universal Resource Locator 35 UAV - Unmanned Aerial Vehicle 36 VoIP - Voice over IP 37 WAF - Web Application Firewall 38 WIDS - Wireless Intrusion Detection System 39 WIPS - Wireless Intrusion Prevention System 40 WPA - WiFi Protected Access 41 WORM - Write Once Read Many 42 VPN - Virtual Private Network 43 VLAN - Virtual Local Area Network 44 VPC - Virtual Private Cloud 45 XML - Extensible Markup Language 46 XSS - Cross-Site Scripting 47 XSRF - Cross-Site Request Forgery 48 XOR - Exclusive Or 49 UTM - Unified Threat Management 50 UAT - User Acceptance Testing 51 TTP - Tactics, Techniques, and Procedures 52 TOTP - Time-based One Time Password 53 TKIP - Temporal Key Integrity Protocol 54 TPM - Trusted Platform Module 55 SPIM - Spam over Internet Messaging 56 TGT - Ticket Granting Ticket 57 TAXII - Trusted Automated eXchange of Indicator Information 58 TSIG - Transaction Signature 59 STIX - Structured Threat Information eXchange 60 STP - Shielded Twisted Pair 61 SWG - Secure Web Gateway 62 UDP - User Datagram Protocol 63 UTP - Unshielded Twisted Pair 64 USB - Universal Serial Bus 65 USB OTG - USB On The Go 66 UEM - Unified Endpoint Management 67 VDE - Virtual Desktop Environment 68 VDI - Virtual Desktop Infrastructure 69 VLSM - Variable Length Subnet Masking 70 VM - Virtual Machine 71 VBA - Visual Basic 72 UPS - Uninterruptible Power Supply 73 WPS - WiFi Protected Setup 74 WAP - Wireless Access Point 75 WTLS - Wireless TLS 76 WEP - Wired Equivalent Privacy 77 WIDS - Wireless Intrusion Detection System 78 WIPS - Wireless Intrusion Prevention System 79 XaaS - Anything as a Service 80 URI - Uniform Resource Identifier 81 SoC - System on Chip 82 SDV - Software Defined Visibility 83 SHTTP - Secure Hypertext Transfer Protocol 84 SLA - Service Level Agreement 85 SLE - Single Loss Expectancy 86 SWD - Structured Exception Handler 87 SCEP - Simple Certificate Enrollment Protocol 88 TACACS+ - Terminal Access Controller Access Control System 89 VTC - Video Teleconferencing