U

UAVs (unmanned aerial vehicles)

overview, 443–444

physical security, 493–494

UEFI (Unified Extensible Firmware Interface), 307

UEM (Unified Endpoint Management) tools, 459

UIDs (user identifiers), 197

unauthenticated encryption, 100

unauthorized data sharing as third-party risk, 70

unauthorized hackers, 4, 587

undocumented assets vulnerabilities, 559

unencrypted password attacks, 144–145

Unified Endpoint Management (UEM) tools, 459

Unified Extensible Firmware Interface (UEFI), 307

unified threat management (UTM), 361, 364, 366

uninterruptible power supplies (UPSs)

EMI and RFI, 495

purpose, 305

Universal Coordinated Time (UTC) for digital forensics timelines, 630

Universal Resource Locators (URLs)

hijacking attacks, 524–525

redirection attacks, ...

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