Term 841
TACACS+
TACACS+ is a protocol that separates authentication, authorization, and accounting functions to control who can access network devices and what they can do.
Acronym study
Terms 841–870 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 841
TACACS+ is a protocol that separates authentication, authorization, and accounting functions to control who can access network devices and what they can do.
Term 842
Tactical intelligence is the analysis of real-time threat data to guide immediate defensive actions in a security operations center.
Term 843
Tailgating is a physical security breach where an unauthorized person follows an authorized person into a restricted area without proper authentication.
Term 844
Task Manager is a built-in Windows utility that shows running programs, processes, and system performance, allowing users to monitor and manage computer activity.
Term 845
TCB (Trusted Computing Base) is the collection of all hardware, firmware, and software components in a system that are essential to enforcing its security policy.
Term 846
Total Cost of Ownership (TCO) is the complete cost of owning and operating an IT asset over its entire lifecycle, including purchase, maintenance, support, energy, and disposal costs, not just the initial price tag.
Term 847
TCP is a connection-oriented transport layer protocol that ensures reliable, ordered, and error-checked delivery of data between applications over IP networks.
Term 848
A technical control is a security mechanism implemented through hardware, software, or firmware that protects the confidentiality, integrity, and availability of IT systems and data.
Term 849
Telnet is a network protocol that provides a bidirectional, interactive text-based communication session between two machines over a network, typically used for remote access and management of network devices.
Term 850
TEMPEST is a U.S. government standard for protecting electronic equipment from emitting electromagnetic signals that could be intercepted to steal sensitive information.
Term 851
TKIP is a security protocol used in Wi-Fi networks to strengthen encryption by dynamically changing the encryption key for each data packet.
Term 852
A user profile that Windows creates automatically when the regular profile fails to load, providing limited and temporary access to the system.
Term 853
A tenant boundary is the logical and physical separation between different customers' resources in a shared cloud environment that ensures data isolation and security.
Term 854
A terminal is a text-based interface that allows users to communicate with a computer's operating system by typing commands.
Term 855
TACACS+ is a network security protocol that separates authentication, authorization, and accounting to control who can access network devices and what they can do.
Term 856
TACACS+ is a remote authentication protocol that uses three separate servers to verify who you are, what you are allowed to do, and record what you did on network devices.
Term 857
Terraform is an infrastructure-as-code tool that lets you define and manage your IT infrastructure using configuration files instead of manual processes.
Term 858
A threat is any potential danger that could harm a computer system, network, or data, whether from a malicious hacker, a natural disaster, or an accidental mistake.
Term 859
Threat analytics is the process of using threat intelligence, machine learning, and behavioral data to identify, assess, and predict cybersecurity threats in real time.
Term 860
Threat emulation is the proactive simulation of real-world cyberattacks within a controlled environment to test an organization's defenses, identify vulnerabilities, and improve security posture.
Term 861
A Microsoft 365 security tool that provides real-time interactive reports to investigate and analyze threats detected by Microsoft Defender for Office 365.
Term 862
Threat hunting is a proactive cybersecurity practice where analysts actively search networks, endpoints, and logs for hidden threats that have evaded automated security tools.
Term 863
Threat intelligence is evidence-based knowledge about existing or emerging cyber threats that helps organizations defend against attacks.
Term 864
Threat modelling is a structured approach to identifying, evaluating, and documenting potential security threats to a system so that defenses can be built proactively.
Term 865
Threat protection is the set of security measures and technologies used to detect, prevent, and respond to cyberattacks and unauthorized access to systems and data.
Term 866
A ticketing system is a software tool used by IT teams to track, manage, and resolve issues or requests reported by users, ensuring nothing gets lost and everything is handled in an organized way.
Term 867
A temporary, automatically generated code that changes every few seconds and is used as an extra layer of security when logging into an account.
Term 868
TKIP is a security protocol used in WPA to replace WEP's static key with dynamic per-packet keys, ensuring data integrity.
Term 869
Tokenization is the process of replacing sensitive data with unique identification symbols that retain all the essential information about the data without compromising its security.
Term 870
Total cost of ownership (TCO) is the complete cost of owning and operating an IT asset over its entire lifecycle, including purchase price, maintenance, support, energy, and disposal fees.