T
- TAPI Telephony Application Programming Interface
- TB terabyte
- TCP
- TCP Transmission Control Protocol
- TCP/IP Transmission Control Protocol/Internet Protocol
- TLS Transport Layer Security
- TPD third-party driver
- TSA
- TSP Technical Standard Pack
- Tab traversal
- TapeAlert
- Target Descriptor
- Task
- Task Tray Tool
- Telnet
- The Hosts file
- ThreatCon level-1
- ThreatCon level-2
- ThreatCon level-3
- Tool Preferences Editor
- Track alignment
- Tracking Package
- Traffic Shaping
- Transactional consistency
- Tree
- Trojan
- Trojan horse
- Trojan, Trojan horse
- tablespace
- tape format
- tape mark
- tape marks
- tape overhead
- tape service NDMP
- tape spanning
- target
- target ID
- target mode driver
- task properties window
- task server
- technical description
- template inheritance
- template task
- terabyte
- terminal services
- text field
- thin client
- threat
- threat awareness
- threshold check field