S - Definitions

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  • S

    sandbox

    A sandbox is an isolated testing environment that enables users to run programs or open files without affecting the application, system or platform on which they run.

  • screened subnet

    A screened subnet, or triple-homed firewall, refers to a network architecture where a single firewall is used with three network interfaces.

  • script kiddie

    Script kiddie is a derogative term that computer hackers coined to refer to immature, but often just as dangerous, exploiters of internet security weaknesses.

  • Secure Electronic Transaction (SET)

    Secure Electronic Transaction (SET) is a system and electronic protocol to ensure the integrity and security of transactions conducted over the internet.

  • Secure Shell (SSH)

    SSH, also known as Secure Shell or Secure Socket Shell, is a network protocol that gives users, particularly system administrators, a secure way to access a computer over an unsecured network.

  • Secure Sockets Layer certificate (SSL certificate)

    A Secure Sockets Layer certificate (SSL certificate) is a small data file installed on a web server that allows for a secure, encrypted connection between the server and a web browser.

  • Securities and Exchange Commission (SEC)

    The Securities and Exchange Commission (SEC) is the U.S. government agency that oversees the nation's securities industry.

  • security

    Security for information technology (IT) refers to the methods, tools and personnel used to defend an organization's digital assets.

  • security analytics

    Security analytics is a cybersecurity approach that uses data collection, data aggregation and analysis tools for threat detection and security monitoring.

  • Security Assertion Markup Language (SAML)

    Security Assertion Markup Language (SAML) is an open standard for sharing security information about identity, authentication and authorization across different systems.

  • security awareness training

    Security awareness training is a strategic approach IT and security professionals take to educate employees and stakeholders on the importance of cybersecurity and data privacy.

  • security clearance

    A security clearance is an authorization that allows access to information that would otherwise be forbidden.

  • security identifier (SID)

    In the context of Windows computing and Microsoft Active Directory (AD), a security identifier (SID) is a unique value that is used to identify any security entity that the operating system (OS) can authenticate.

  • security information and event management (SIEM)

    Security information and event management (SIEM) is an approach to security management that combines security information management (SIM) and security event management (SEM) functions into one security management system.

  • security information management (SIM)

    Security information management (SIM) is the practice of collecting, monitoring and analyzing security-related data from computer logs and various other data sources.

  • security operations center (SOC)

    A security operations center (SOC) is a command center facility in which a team of information technology (IT) professionals with expertise in information security (infosec) monitors, analyzes and protects an organization from cyberattacks.

  • security policy

    A security policy is a document that states in writing how a company plans to protect its physical and information technology (IT) assets.

  • security posture

    Security posture refers to an organization's overall cybersecurity strength and how well it can predict, prevent and respond to ever-changing cyberthreats.

  • security token

    A security token is a physical or wireless device that provides two-factor authentication (2FA) for users to prove their identity in a login process.

  • self-sovereign identity

    Self-sovereign identity (SSI) is a model for managing digital identities in which individuals or businesses have sole ownership over the ability to control their accounts and personal data.

  • Sender Policy Framework (SPF)

    Sender Policy Framework (SPF) is a protocol designed to restrict who can use an organization's domain as the source of an email message.

  • session key

    A session key is an encryption and decryption key that is randomly generated to ensure the security of a communications session between a user and another computer or between two computers.

  • shadow password file

    A shadow password file, also known as /etc/shadow, is a system file in Linux that stores encrypted user passwords and is accessible only to the root user, preventing unauthorized users or malicious actors from breaking into the system.

  • Shared Key Authentication (SKA)

    Shared Key Authentication (SKA) is a process by which a computer can gain access to a wireless network that uses the Wired Equivalent Privacy (WEP) protocol.

  • shoulder surfing

    Shoulder surfing is using direct observation techniques, such as looking over someone's shoulder, to get information.

  • side-channel attack

    A side-channel attack is a security exploit that aims to gather information from or influence the program execution of a system by measuring or exploiting indirect effects of the system or its hardware -- rather than targeting the program or its code directly.

  • single sign-on (SSO)

    Single sign-on (SSO) is a session and user authentication service that permits a user to use one set of login credentials -- for example, a name and password -- to access multiple applications.

  • single-factor authentication (SFA)

    Single-factor authentication (SFA) is a process for securing access to a given system, such as a network or website, that identifies the party requesting access through only one category of credentials.

  • smart card

    A smart card is a physical card that has an embedded integrated chip that acts as a security token.

  • snooping

    Snooping, in a security context, is unauthorized access to another person's or company's data.

  • SOAR (security orchestration, automation and response)

    SOAR (security orchestration, automation and response) is a stack of compatible software programs that enables an organization to collect data about security threats and respond to security events with little or no human assistance.

  • SOC 1 (System and Organization Controls 1)

    System and Organization Controls 1, or SOC 1 (pronounced "sock one"), aims to control objectives within a SOC 1 process area and documents internal controls relevant to an audit of a user entity's financial statements.

  • SOC 2 (System and Organization Controls 2)

    SOC 2 (System and Organization Controls 2), pronounced "sock two," is a voluntary compliance standard for ensuring that service providers properly manage and protect the sensitive data in their care.

  • SOC 3 (System and Organization Controls 3)

    A System and Organization Controls 3 (SOC 3) report outlines information related to a service organization's internal controls for security, availability, processing integrity, confidentiality and privacy.

  • social engineering

    Social engineering is an attack vector that relies heavily on human interaction and often involves manipulating people into breaking normal security procedures and best practices to gain unauthorized access to systems, networks or physical locations or for financial gain.

  • social media policy

    A social media policy is a corporate code of conduct that provides guidelines for employees who post content on the internet either as part of their job or as a private person.

  • soft token

    A soft token is a software-based security token that generates a single-use login personal identification number (PIN).

  • spam filter

    A spam filter is a program used to detect unsolicited, unwanted and virus-infected emails and prevent those messages from getting to a user's inbox.

  • spam trap

    A spam trap is an email address that is used to identify and monitor spam email.

  • spear phishing

    Spear phishing is a malicious email spoofing attack that targets a specific organization or individual, seeking unauthorized access to sensitive information.

  • speculative risk

    Speculative risk is a type of risk the risk-taker takes on voluntarily and will result in some degree of profit or loss.

  • spyware

    Spyware is a type of malicious software -- or malware -- that is installed on a computing device without the end user's knowledge.

  • SSAE 16

    The Statement on Standards for Attestation Engagements No. 16 (SSAE 16) is a set of auditing standards and guidance on using the standards, published by the Auditing Standards Board (ASB) of the American Institute of Certified Public Accountants (AICPA), for redefining and updating how service companies report on compliance controls.

  • SSL (secure sockets layer)

    Secure sockets layer (SSL) is a networking protocol designed for securing connections between web clients and web servers over an insecure network, such as the internet.

  • SSL VPN (Secure Sockets Layer virtual private network)

    An SSL VPN is a type of virtual private network (VPN) that uses the Secure Sockets Layer (SSL) protocol -- or, more often, its successor, the Transport Layer Security (TLS) protocol -- in standard web browsers to provide secure, remote access VPN capability.

  • stealth virus

    A stealth virus is a computer virus that uses various mechanisms to avoid detection by antivirus software.

  • steganography

    Steganography is the technique of hiding data within an ordinary, nonsecret file or message to avoid detection; the hidden data is then extracted at its destination.

  • stream cipher

    A stream cipher is a method of encrypting text (to produce ciphertext) in which a cryptographic key and algorithm are applied to each binary digit in a data stream, one bit at a time.

  • Structured Threat Information eXpression (STIX)

    Structured Threat Information eXpression (STIX) is a standardized Extensible Markup Language (XML) programming language for conveying data about cybersecurity threats in a way that can be easily understood by both humans and security technologies.

  • sudo (su 'do')

    Sudo is a command-line utility for Unix and Unix-based operating systems such as Linux and macOS.

  • supercookie

    A supercookie is a type of tracking cookie inserted into an HTTP header to collect data about a user's internet browsing history and habits.

  • supply chain attack

    A supply chain attack is a type of cyber attack that targets organizations by focusing on weaker links in an organization's supply chain.

  • SYN flood attack

    A SYN flood attack is a type of denial-of-service (DoS) attack on a computer server.

  • What is SecOps? Everything you need to know

    SecOps, formed from a combination of security and IT operations staff, is a highly skilled team focused on monitoring and assessing risk and protecting corporate assets, often operating from a security operations center, or SOC.

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