Term 541
IOC
IOC stands for Indicator of Compromise, which is forensic evidence that a system has been breached or infected by malware.
Acronym study
Terms 541–570 of 1222 SK0-005 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 541
IOC stands for Indicator of Compromise, which is forensic evidence that a system has been breached or infected by malware.
Term 542
iOS is Apple's mobile operating system that powers iPhones and iPads, providing a secure and user-friendly platform for apps and services.
Term 543
A Cisco IOS command that forwards broadcast traffic from one subnet to a specific server on another subnet, allowing devices to obtain IP configuration or other services without needing a router or server on their local network.
Term 544
IP Source Guard is a network security feature that blocks IP address spoofing by verifying that each packet's source IP address matches an authorized binding assigned to that switch port.
Term 545
IPAM (IP Address Management) automates the planning, tracking, and management of IP address space on a network.
Term 546
An Intrusion Prevention System (IPS) is a network security device that monitors traffic in real time and automatically blocks threats before they reach your systems.
Term 547
IPsec is a suite of protocols used to secure Internet Protocol (IP) communications by encrypting and authenticating each IP packet in a data stream.
Term 548
iptables is a command-line firewall utility in Linux that uses rules to allow or block network traffic based on packet attributes like source IP, destination port, or protocol.
Term 549
IPv6 is the most recent version of the Internet Protocol, designed to replace IPv4 by providing a vastly larger number of unique addresses and improved network features.
Term 550
An IPv6 address is a 128-bit numeric label used to identify a device on an Internet Protocol network, designed to replace IPv4 due to the exhaustion of available addresses.
Term 551
ISO 27001 is an international standard that specifies the requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS).
Term 552
Isolation is the process of separating a compromised or suspicious system from a network to prevent the spread of malware or unauthorized access.
Term 553
IT asset management (ITAM) is the process of tracking, managing, and optimizing all technology equipment, software, and services an organization owns or leases.
Term 554
IT service management (ITSM) is a set of practices for designing, delivering, managing, and improving the way IT services are provided to users and customers.
Term 555
ITSM (Information Technology Service Management) is a set of practices for designing, delivering, managing, and improving IT services to meet business needs.
Term 556
John the Ripper is a free and open-source password cracking tool used by security professionals to test password strength and by attackers to guess credentials.
Term 557
A jump server is a secured, intermediary server that administrators use to access and manage other systems within a protected network zone.
Term 558
A JSON Web Token (JWT) is a compact, self-contained token used to securely transmit information between parties as a JSON object.
Term 559
The kernel is the core program of an operating system that manages hardware resources and provides essential services for all other software to run.
Term 560
Key escrow is a system where cryptographic keys are stored securely with a third party so that authorized parties can access encrypted data when the original key holder is unavailable or when lawful access is required.
Term 561
Key management is the process of creating, storing, distributing, using, rotating, and destroying cryptographic keys securely throughout their entire lifecycle.
Term 562
A Keyboard-Video-Mouse (KVM) is a hardware device that allows you to control multiple computers using a single keyboard, monitor, and mouse.
Term 563
A kill chain is a step-by-step model that describes the stages of a cyberattack, from initial reconnaissance to the final objective, helping defenders understand and disrupt each phase.
Term 564
KMS (Key Management Service) is a Microsoft technology that automates volume licensing activation for Windows and Office products within an organization's network.
Term 565
Knowledge management is the systematic process of capturing, organizing, storing, and sharing an organization's collective expertise to improve efficiency, decision-making, and innovation.
Term 566
A file used by SSH to store the public keys of remote servers, allowing the client to verify the server's identity and prevent man-in-the-middle attacks.
Term 567
Kusto Query Language is a powerful read-only query language used to explore, analyze, and visualize large datasets, most notably in Azure Data Explorer and Microsoft Sentinel.
Term 568
kubectl debug is a Kubernetes command that creates a temporary container in a pod to help troubleshoot and diagnose issues without affecting the running application.
Term 569
Kubelet security refers to the practices and configurations that protect the kubelet, the primary node agent in Kubernetes, from unauthorized access and malicious actions.
Term 570
Kubernetes security is the practice of protecting containerized applications, the Kubernetes cluster itself, and the underlying infrastructure from unauthorized access, data breaches, and system vulnerabilities.