All pages with prefix
- U
- U.S.-controlled facility
- U.S.-controlled space
- U.S.C.
- U.S. Coast Guard Navigation Center
- U.S. Computer Emergency Readiness Team
- U.S. Department of Health, Education, and Welfare
- U.S. Government
- U.S. Government Configuration Baseline
- U.S. Government Federal Radionavigation Plan
- U.S. Securities and Exchange Commission
- U.S. national interests
- U.S. person
- U1
- U2F
- UA
- UAC
- UAF
- UART
- UAS
- UAV
- UBR
- UCC
- UCDSMO
- UCE
- UCS
- UDA
- UDDI
- UDF
- UDLR
- UDM
- UDP
- UE
- UEA
- UEBA
- UEFI
- UEFI Secure Boot
- UEM
- UFS
- UHF
- UI
- UI/UX
- UIA
- UICC
- UIRP
- UIS
- UK
- UKAN
- UKRI
- UK Research and Innovation
- UL
- UMD
- UMTS
- UMTS Encryption Algorithm
- UMTS Integrity Algorithm
- UMTS Subscriber Identity Module (USIM)
- UN/CEFACT
- UNC
- UNIX Timesharing System
- UOCAVA Systems
- UOV
- UPI
- UPN
- UPS
- UPnP
- URI
- URL
- URN
- URPF
- USB
- USC
- USCIS
- USDA
- USG
- USGCB
- USG FRP
- USIM
- USNO
- USSD
- UTC
- UTM
- UTS
- UTSA
- UTXO
- UUID
- UV
- UWB
- UXN
- Ultra High Frequency
- Ultraviolet
- Ultrawideband
- Umbilical cord
- Unattended
- Unauthorized disclosure
- Unbalanced Oil-Vinegar Digital Signature Scheme
- Unbalanced Oil and Vinegar
- Unbiased
- Unbind
- Unbounded differential privacy
- Unclassified
- Underwriters Laboratories
- Unencrypted key
- UniCERT Programmatic Interface
- Unicast Reverse Path Forwarding
- Unified Computing System
- Unified Cross Domain Services Management Office
- Unified Endpoint Management
- Unified Extensible Firmware Interface (UEFI)
- Unified Threat Management
- Uniform Code Council
- Uniform Resource Identifier
- Uniform Resource Locator
- Uniform Resource Name
- Uninstantiate
- Uninterruptible Power Supply
- Unit of privacy
- United Kingdom
- United Kingdom Advocacy Network
- United Nations Centre for Trade Facilitation and Electronic Business
- United States Citizenship and Immigration Services
- United States Code
- United States Department of Agriculture
- United States Government
- United States Government Configuration Baseline (USGCB)
- United States Government Environment
- United States Naval Observatory
- United States Nuclear Regulatory Commission
- United States government configuration baseline (USGCB)
- Universal Asynchronous Receiver/Transmitter
- Universal Authentication Framework
- Universal Business Registry
- Universal Data Manager
- Universal Description, Discovery, and Integration (UDDI)
- Universal Disk Format
- Universal Distributed Logical Router
- Universal Integrated Circuit Card
- Universal Mobile Telecommunications System (UMTS)
- Universal Naming Convention
- Universal Plug and Play
- Universal Principal Name
- Universal Resource Identifier
- Universal Resource Locator
- Universal Second Factor
- Universal Serial Bus (USB)
- Universal Statistical Test
- Universal Subscriber Identity Module
- Universally Unique Identifier
- University of Maryland
- University of Texas-San Antonio
- Unkeyed
- Unknown inclusion re-identification probability
- Unmanaged Device
- Unmanned Aerial Systems
- Unmanned Aerial Vehicle
- Unmanned Aircraft System
- Unpredictable
- Unsigned Zone
- Unsolicited Commercial Email
- Unspent Transaction Output
- Unstructured Supplementary Service Data
- Unstructured data
- Unsupervised data augmentation
- Unsupervised learning
- Untrusted party
- Untrusted process
- Unwrapping function
- Update
- Update (a certificate)
- Update (a key)
- Update Server
- Upgrade Management System
- Upgrading
- Uplink
- Usability
- User
- User Access Control
- User Agent
- User Applications Software
- User Configuration Set
- User Datagram Protocol
- User Equipment
- User Execute Never
- User ID
- User Interface System
- User Key
- User Principal Name
- User activity monitoring
- User agreement
- User and Entity Behavior Analytics
- User interface
- User interface/user experience
- User representative (COMSEC)
- User representative (risk management)
- User supplied info
- User‐level privacy
- Utilities Telecom Council
- Utility
- Uu