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Security

This cyber security glossary explains the meaning of terms about different types of computer security threats as well as words about application security, access control, network intrusion detection, security awareness training and computer forensics.

Application security

Terms related to application security, including procedural definitions for preventing software vulnerabilities and words and phrases about secure code development.

  • ransomware

    Ransomware is a subset of malware in which the data on a victim's computer is locked, typically by encryption, and payment is demanded before the ransomed data is decrypted and access returned to the victim.

  • bug bounty program

    A bug bounty program, also called a vulnerability rewards program (VRP), is a crowdsourcing initiative that rewards individuals for finding errors in software.

  • Web application firewall (WAF)

    A Web application firewall (WAF) is a firewall that monitors, filters or blocks traffic to and from a Web application. WAFs are especially useful to companies that provide products or services over the Internet.

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Authentication

Terms related to authentication, including security definitions about passwords and words and phrases about proving identity.

  • digital identity

    A digital identity is the body of information about an individual, organization or electronic device that exists online. Unique identifiers and use patterns make it possible to detect individuals or their devices.

  • password

    A password is an unspaced sequence of characters used to determine that a computer user requesting access to a computer system is really that particular user.

  • rolling code

    Rolling code, also known as hopping code, is an encryption technique commonly used to provide a fresh code for each use of a passive keyless entry (PKE) system.

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Malware

Terms related to malware, including definitions about viruses and Trojans and other words and phrases about malicious software.

  • insider threat

    Insider threat is a generic term for a threat to an organization's security or data that comes from within.

  • antivirus software (antivirus program)

    Antivirus software is a class of program designed to prevent, detect and remove malware infections on individual computing devices, networks and IT systems.

  • computer worm

    A computer worm is a type of malicious software program whose primary function is to infect other computers while remaining active on infected systems.

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Network security

Terms related to network security, including definitions about intrusion prevention and words and phrases about VPNs and firewalls.

  • insider threat

    Insider threat is a generic term for a threat to an organization's security or data that comes from within.

  • air gapping (air gap attack)

    Air gapping is a security measure that involves isolating a computer or network and preventing it from establishing an external connection.

  • digital identity

    A digital identity is the body of information about an individual, organization or electronic device that exists online. Unique identifiers and use patterns make it possible to detect individuals or their devices.

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Security threats and countermeasures

Terms related to security threats, including definitions about anti-virus programs or firewalls and words and phrases about malware, viruses, Trojans and other security attacks.

  • insider threat

    Insider threat is a generic term for a threat to an organization's security or data that comes from within.

  • air gapping (air gap attack)

    Air gapping is a security measure that involves isolating a computer or network and preventing it from establishing an external connection.

  • ransomware

    Ransomware is a subset of malware in which the data on a victim's computer is locked, typically by encryption, and payment is demanded before the ransomed data is decrypted and access returned to the victim.

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Spyware

Terms related to spyware, including definitions about malware and words and phrases about online advertising, adware and online privacy.

  • backdoor (computing)

    A backdoor is a means to access a computer system or encrypted data that bypasses the system's customary security mechanisms.

  • ActiveX

    ActiveX is a set of object-oriented programming technologies Microsoft developed for Internet Explorer to facilitate rich media playback.

  • browser hijacker (browser hijacking)

    A browser hijacker is a malware program that modifies web browser settings without the user's permission and redirects the user to websites the user had not intended to visit.

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SearchCompliance

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.

  • audit program (audit plan)

    An audit program, also called an audit plan, is an action plan that documents what procedures an auditor will follow to validate ...

SearchSecurity

  • insider threat

    Insider threat is a generic term for a threat to an organization's security or data that comes from within.

  • ransomware

    Ransomware is a subset of malware in which the data on a victim's computer is locked, typically by encryption, and payment is ...

  • hacker

    A hacker is an individual who uses computer, networking or other skills to overcome a technical problem.

SearchHealthIT

SearchDisasterRecovery

  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

SearchStorage

SearchSolidStateStorage

  • 3D XPoint

    3D XPoint is memory storage technology jointly developed by Intel and Micron Technology Inc.

  • RRAM or ReRAM (resistive RAM)

    RRAM or ReRAM (resistive random access memory) is a form of nonvolatile storage that operates by changing the resistance of a ...

  • JEDEC

    JEDEC is a global industry group that develops open standards for microelectronics.

SearchCloudStorage

  • Google Cloud Storage

    Google Cloud Storage is an enterprise public cloud storage platform that can house large unstructured data sets.

  • RESTful API

    A RESTful application program interface breaks down a transaction to create a series of small modules, each of which addresses an...

  • cloud storage infrastructure

    Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or ...

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