Term 871
TPM
TPM (Trusted Platform Module) is a dedicated hardware chip on a computer's motherboard that stores cryptographic keys, passwords, and certificates to secure the system against unauthorized access and tampering.
Acronym study
Terms 871–900 of 956 220-1102 acronyms and key terms. Each entry includes a plain-English definition and a link to the full 800-word glossary page with exam context and practice questions.
Term 871
TPM (Trusted Platform Module) is a dedicated hardware chip on a computer's motherboard that stores cryptographic keys, passwords, and certificates to secure the system against unauthorized access and tampering.
Term 872
A Transit Gateway is a network hub that connects multiple virtual private clouds (VPCs) and on-premises networks through a single, central gateway to simplify routing and reduce complexity.
Term 873
Transport Layer Security (TLS) is a cryptographic protocol that provides secure, encrypted communication between two devices over a network, such as between a web browser and a server.
Term 874
Triage is the process of quickly assessing and prioritizing security incidents based on their severity, impact, and urgency to determine the appropriate response.
Term 875
A Trojan is a type of malware that disguises itself as a legitimate file or program to trick users into installing it, then performs harmful actions without the user's knowledge.
Term 876
A true negative is a test result that correctly identifies the absence of a condition or threat, meaning no false alarm occurred.
Term 877
A true positive is when a security tool correctly identifies a real threat or malicious activity.
Term 878
A trust boundary is the logical or physical line that separates a trusted, secure area from an untrusted, potentially hostile environment in a computer system or network.
Term 879
A Trusted Advisor is an IT professional who earns deep client trust through expert guidance, ethical behavior, and a focus on the client’s long-term success rather than just selling products.
Term 880
The trusted computing base is the entire set of hardware, firmware, and software components that are critical to a system's security, meaning that any flaw in these components can break the entire security policy.
Term 881
A Trusted Platform Module (TPM) is a dedicated microcontroller chip that securely stores cryptographic keys, passwords, and certificates to protect a computer's hardware and ensure system integrity.
Term 882
TTP stands for Tactics, Techniques, and Procedures, which describe the behavior patterns and methods used by threat actors in cybersecurity attacks.
Term 883
Twisted Nematic (TN) is a type of liquid crystal display (LCD) technology that uses liquid crystals twisted at a 90-degree angle to control light and create images on a screen.
Term 884
A Type 1 hypervisor is a lightweight operating system that runs directly on server hardware to create and manage virtual machines without needing a separate host OS.
Term 885
A Type 2 hypervisor is software that creates and runs virtual machines on top of a host operating system, rather than directly on the hardware.
Term 886
User Account Control is a Windows security feature that prevents unauthorized changes to your computer by asking for permission before allowing certain actions.
Term 887
UFW (Uncomplicated Firewall) is a user-friendly command-line interface for managing iptables firewall rules on Linux systems, designed to simplify network security configuration.
Term 888
Umask (user file-creation mode mask) is a Linux/Unix setting that determines the default permissions assigned to new files and directories by subtracting or masking permission bits from a base set.
Term 889
UEFI is the modern replacement for BIOS that controls how a computer starts up and loads the operating system.
Term 890
Unified Threat Management (UTM) is a single security appliance or service that combines multiple network security functions like firewall, antivirus, intrusion prevention, and content filtering into one device.
Term 891
Universal Plug and Play is a set of networking protocols that allows devices on a network to discover each other and connect automatically without manual configuration.
Term 892
A Universal Serial Bus (USB) is a standard interface that allows you to connect devices like keyboards, mice, storage drives, and printers to a computer for data transfer and power delivery.
Term 893
A small, reversible 24-pin USB connector that supports high-speed data transfer, power delivery, and video output, used in modern devices.
Term 894
An update domain is a logical grouping of resources in a cloud or datacenter environment that can be patched or updated together without causing downtime to the entire application.
Term 895
An Update ring is a policy-based group in Windows 10/11 deployment that controls the timing, pace, and scope of feature updates and quality updates pushed to devices across an organization.
Term 896
A use case is a description of how a specific user or system interacts with a system to achieve a particular goal, often used in security operations to define required functions and validate system behavior.
Term 897
User Account Control (UAC) is a Windows security feature that prevents unauthorized changes to the operating system by prompting for permission before allowing actions that affect system settings or installed programs.
Term 898
User behaviour analytics (UBA) is a cybersecurity process that monitors and analyzes patterns in how users interact with systems to detect abnormal actions that may indicate a security threat.
Term 899
Unified Threat Management (UTM) is a comprehensive security appliance that combines multiple security functions like firewall, antivirus, intrusion prevention, and VPN into a single device.
Term 900
Virtual Desktop Infrastructure (VDI) is a technology that hosts desktop operating systems on a central server so users can access their personal desktop environment from any device.