Term 721
Single sign-on
Single sign-on (SSO) is an authentication method that allows a user to log in once and gain access to multiple applications or systems without re-entering credentials.
Acronym study
Terms 721–750 of 863 SC-900 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 721
Single sign-on (SSO) is an authentication method that allows a user to log in once and gain access to multiple applications or systems without re-entering credentials.
Term 722
A Service Level Agreement (SLA) is a contract between a service provider and a customer that defines the level of service expected, including metrics like uptime, response time, and penalties for non-compliance.
Term 723
SLE (Single Loss Expectancy) is the monetary loss expected each time a specific risk event occurs, calculated as asset value times exposure factor.
Term 724
SMB is a network file-sharing protocol that allows applications to read, write, and request services from server programs in a computer network.
Term 725
SMTP (Simple Mail Transfer Protocol) is the standard internet protocol used to send emails from a client to a server or between email servers.
Term 726
SNMP (Simple Network Management Protocol) is an application-layer protocol used to collect and organize information about managed devices on IP networks and to modify that information to change device behavior.
Term 727
A network protocol used to collect and organize information about managed devices on IP networks and to modify that information to change device behavior.
Term 728
SOAR (Security Orchestration, Automation, and Response) is a technology stack that helps security teams automate responses to threats by integrating various security tools and standardizing workflows.
Term 729
A Security Operations Center (SOC) is a centralized team that monitors, detects, analyzes, and responds to cybersecurity incidents to protect an organization's information systems.
Term 730
Social engineering is the psychological manipulation of people into divulging confidential information or performing actions that compromise security.
Term 731
Software testing is the process of checking whether a software application works correctly, meets requirements, and is free of defects before it is released to users.
Term 732
A Switch Port Analyzer (SPAN) is a feature on network switches that copies traffic from one or more ports to a monitoring port for analysis without disrupting normal network operations.
Term 733
Spear phishing is a targeted cyberattack in which a criminal sends a fraudulent email that appears to come from a trusted source, aiming to trick a specific person or organization into revealing sensitive data or installing malware.
Term 734
A Spot Instance is an unused cloud computing resource that a provider offers at a deep discount but that can be reclaimed by the provider with little notice.
Term 735
Spyware is malicious software that secretly monitors and collects information about a user's activity without their knowledge or consent.
Term 736
SQL is a standard programming language used to manage, query, and manipulate relational databases by issuing commands like SELECT, INSERT, UPDATE, and DELETE.
Term 737
SQL is a standardized programming language used to manage and manipulate relational databases, enabling querying, updating, and data retrieval.
Term 738
SQL injection is a web security vulnerability that allows an attacker to interfere with the queries an application makes to its database, often to read, modify, or destroy data.
Term 739
SSE (Security Service Edge) is a cloud-centric security framework that converges web, cloud, and network security into a single edge service.
Term 740
SSE (Security Service Edge) is a cloud-delivered security framework that converges web, cloud, and private access controls at the network edge.
Term 741
SSH (Secure Shell) is a cryptographic network protocol that provides secure, encrypted communication and remote administration between two devices over an unsecured network.
Term 742
SSL (Secure Sockets Layer) is a cryptographic protocol that encrypts data transmitted between a client and a server to ensure privacy and data integrity.
Term 743
An SSL VPN is a virtual private network that uses the Secure Sockets Layer protocol to create an encrypted tunnel for remote users to securely access network resources over the internet.
Term 744
Single Sign-On (SSO) is an authentication process that allows a user to access multiple applications or systems with one set of login credentials.
Term 745
Self-Service Password Reset — a system that allows users to reset their own passwords without contacting IT support.
Term 746
A security vulnerability where an attacker tricks a server into making unauthorized requests to internal or external resources on behalf of the attacker.
Term 747
A Standard Access Control List (ACL) is a sequential set of permit or deny rules that filters network traffic based solely on the source IP address.
Term 748
Static Network Address Translation (NAT) is a one-to-one mapping between a private IP address and a public IP address that never changes.
Term 749
The sticky bit is a special permission on Unix/Linux files and directories that restricts file deletion to the file owner, directory owner, or root user, even if others have write access.
Term 750
A storage firewall is a security appliance or software that controls access to storage systems, protecting data from unauthorized access, malware, and insider threats by inspecting and filtering storage protocol traffic.