Term 421
Extended Detection and Response
Extended Detection and Response (XDR) is a security approach that collects and analyzes data from multiple sources like endpoints, networks, servers, and email to detect and stop threats more effectively.
Acronym study
Terms 421–450 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 421
Extended Detection and Response (XDR) is a security approach that collects and analyzes data from multiple sources like endpoints, networks, servers, and email to detect and stop threats more effectively.
Term 422
Extensible Authentication Protocol (EAP) is a flexible authentication framework used in network access control, particularly in wireless and point-to-point connections, that supports multiple authentication methods without requiring changes to the underlying protocol.
Term 423
EAP over LAN (EAPoL) is a protocol that carries authentication messages between a device and a network access point before the device is allowed to connect to the network.
Term 424
Face detection is an AI service that identifies and locates human faces in images or video, distinguishing them from other objects or backgrounds.
Term 425
Fail2ban is a security tool that monitors log files for repeated authentication failures and temporarily bans the offending IP addresses using firewall rules.
Term 426
Failover is the automatic switching to a backup system when the primary system fails, ensuring continuous operation and minimal downtime.
Term 427
Falco Runtime Security is an open-source tool that continuously monitors system and container behavior to detect unexpected or malicious activities.
Term 428
A false positive is an alert or result that indicates a security threat or vulnerability exists when in fact there is no real issue.
Term 429
A false positive validation occurs when a security tool incorrectly identifies a legitimate activity, file, or user as a threat.
Term 430
A fault domain is a boundary within a computing environment that groups together components that share a single point of failure, helping to isolate the impact of hardware or software failures.
Term 431
A Feature update is a major semiannual Windows release that introduces new capabilities, changes the OS build number, and requires careful planning for enterprise deployment.
Term 432
A feature update policy is a set of rules that controls how and when new features and capabilities are deployed to software, ensuring consistency, security, and minimal disruption across an organization.
Term 433
File inclusion attacks exploit web application vulnerabilities to load remote or local files, often allowing attackers to execute code, steal data, or compromise a server.
Term 434
A file share is a centralized storage location on a network where multiple users can access, read, write, and manage files simultaneously.
Term 435
File storage is a cloud service that organizes and stores data in a hierarchical structure of files and folders, accessible over a network using standard file-sharing protocols.
Term 436
File Transfer Protocol (FTP) is a standard network protocol used to transfer files between a client and a server over a TCP/IP network.
Term 437
File Transfer Protocol Secure (FTPS) is a secure version of FTP that adds encryption using TLS or SSL to protect data during file transfers.
Term 438
Google Cloud Filestore is a managed file storage service that lets you mount a network file system (NFS) to multiple virtual machines simultaneously, just like a shared folder on an office network.
Term 439
FileVault is a full-disk encryption feature built into macOS that protects all data on a Mac's startup disk by scrambling it so that only authorized users can unlock and access it.
Term 440
The find command in Unix/Linux is a powerful utility for searching files and directories based on a wide range of criteria such as name, size, type, permissions, and modification time.
Term 441
Fingerprinting is the process of gathering information about a target system or network to identify its operating system, services, software versions, and configuration details during the reconnaissance phase of a security assessment.
Term 442
A firewall is a network security system that monitors and controls incoming and outgoing traffic based on predetermined security rules to protect trusted internal networks from untrusted external networks.
Term 443
Firewall configuration is the process of setting rules that control which network traffic is allowed to enter or leave a computer or network, acting as a security gatekeeper.
Term 444
A firewall log is a record of network traffic that a firewall has allowed or denied, used by IT professionals to monitor security events and troubleshoot connectivity issues.
Term 445
A firewall rule is a set of conditions that tells a firewall which network traffic to allow or block based on attributes like source, destination, port, and protocol.
Term 446
Firmware is specialized software permanently stored in read-only memory on a hardware device that controls how that device operates at a basic level.
Term 447
A firmware update is a process that replaces or patches the permanent software programmed into a hardware device to fix bugs, patch security vulnerabilities, or add new features.
Term 448
The first IP address in a subnet that can be assigned to a host, typically one higher than the network ID.
Term 449
Flatpak is a software utility for Linux that allows you to install, manage, and run applications in a sandboxed environment, making them work across different Linux distributions.
Term 450
A folder is a logical container used to organize and group digital files, resources, or cloud-based assets within a system or platform.