Term 991
SFTP
SFTP (Secure File Transfer Protocol) is a network protocol that provides secure file transfer over SSH, encrypting both commands and data.
Acronym study
Terms 991–1020 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 991
SFTP (Secure File Transfer Protocol) is a network protocol that provides secure file transfer over SSH, encrypting both commands and data.
Term 992
SGACL stands for Security Group Access Control List, a Cisco technology that controls network traffic based on the security group membership of the source and destination devices rather than IP addresses.
Term 993
A shard is a horizontal partition of data in a database or storage system, where each shard holds a subset of the total data and operates independently to distribute load.
Term 994
Shared access is a permission model where multiple users, systems, or services are granted common access rights to a resource such as a file, database, network drive, or cloud storage.
Term 995
A shared account is a user account that is used by multiple people instead of being assigned to a single individual.
Term 996
Shared resources are computing assets like storage, memory, or network bandwidth that multiple users or systems can access simultaneously from a common pool.
Term 997
The shared responsibility model is a framework that defines which security and compliance tasks are handled by the cloud provider and which are handled by the customer.
Term 998
A Shielded VM is a Google Cloud virtual machine with enhanced security features that protect against rootkits and boot-level malware by verifying the integrity of the boot process and firmware.
Term 999
Shift left security is the practice of integrating security testing and controls earlier in the software development lifecycle, rather than waiting until after deployment.
Term 1000
Shodan is a search engine that lets you find specific types of internet-connected devices, such as webcams, routers, and servers, by scanning the internet and indexing their services and banners.
Term 1001
Shutdown mode is a port security state on a switch port that disables the port when a security violation occurs, such as when an unauthorized device attempts to connect.
Term 1002
A side-channel attack is a type of security exploit that gathers information from a system by observing its physical or secondary outputs—such as timing, power consumption, or electromagnetic emissions—rather than directly attacking the software or cryptographic algorithm.
Term 1003
Side-loading is the process of installing software on a mobile device from a source other than the official app store.
Term 1004
A sidecar container is a secondary container that runs alongside a primary application container in the same Kubernetes pod, providing supporting functionality without altering the main application.
Term 1005
SIEM (Security Information and Event Management) is a system that collects and analyzes log data from across an IT environment to detect and respond to security threats in real time.
Term 1006
SIEM and SOAR Design is the practice of planning and building systems that collect, analyze, and automatically respond to security alerts across an organization's network and cloud environment.
Term 1007
A SIEM query is a search command used in a Security Information and Event Management system to find, filter, and analyze security-related log data from across an organization's IT environment.
Term 1008
A Sigma rule is a generic, YAML-based detection rule format used in cybersecurity to describe suspicious activities in a way that can be easily shared and converted for use across different security information and event management (SIEM) systems.
Term 1009
Azure SignalR Service is a managed platform that enables real-time web functionality, like live messaging or updates, between servers and clients without the client having to constantly ask for new data.
Term 1010
A Signed URL is a time-limited, authenticated web link that grants temporary access to a private resource without requiring the user to log in.
Term 1011
Simple Mail Transfer Protocol (SMTP) is the standard internet protocol used for sending and relaying email messages from a client to a server or between servers.
Term 1012
SMTPS is a secure version of the Simple Mail Transfer Protocol that uses encryption to protect email messages during transmission between email servers.
Term 1013
Site Recovery is the process of restoring IT infrastructure and data at a different physical location after a disaster to keep business operations running.
Term 1014
The process of identifying and fixing problems in a permanent encrypted tunnel that connects two separate office networks over the internet.
Term 1015
A skillset is the collection of technical abilities, knowledge, and competencies required to perform a specific IT role or pass a certification exam.
Term 1016
SLAAC (Stateless Address Autoconfiguration) is a method that allows an IPv6 device to automatically generate its own IP address without needing a centralized server like DHCP.
Term 1017
SLE (Single Loss Expectancy) is the monetary loss expected each time a specific risk event occurs, calculated as asset value times exposure factor.
Term 1018
Slow performance means a computer, application, or network takes longer than expected to complete tasks, often due to resource limits, software conflicts, or hardware degradation.
Term 1019
SMB is a network file-sharing protocol that allows applications to read, write, and request services from server programs in a computer network.
Term 1020
SMTP (Simple Mail Transfer Protocol) is the standard internet protocol used to send emails from a client to a server or between email servers.