Cyber Security Glossary

Find definitions for IT security and compliance in our online glossary of key terms, acronyms, and vocabulary.

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  • Term
    Definition
  • Definition: A list of entities that are blocked or denied privileges or access. Related Term(s): Allowlist
  • Blogs, also referred to as Web logs, are frequent, chronological Web publications consisting of links and postings. The most recent posting appears at the top of the page.
  • Definition: A group that defends an enterprise's information systems when mock attackers (i.e., the Red Team) attack, typically as part of an operational exercise conducted according to rules established and monitored by a neutral group (i.e., the White Team). Related Term(s): Red Team,(...)
  • "Boosting works by sequentially applying a classification algorithm to reweighted versions of the training data and then taking a weighted majority vote of the sequence of classifiers thus produced."
  • Definition: A computer connected to the Internet that has been surreptitiously / secretly compromised with malicious logic to perform activities under remote the command and control of a remote administrator. Synonym(s): zombie Related Term(s): botnet
  • Definition: The controller of a botnet that, from a remote location, provides direction to the compromised computers in the botnet. Synonym(s): bot herder
  • Definition: A collection of computers compromised by malicious code and controlled across a network.
  • "The loss of control, compromise, unauthorized disclosure, unauthorized acquisition, or any similar occurrence where: a person other than an authorized user accesses or potentially accesses personally identifiable information; or an authorized user accesses personally identifiable information(...)
  • "Complex, computational, cognitive automation system capable of providing descriptive, predictive, prescriptive, and limited deductive analytics with relevance and accuracy exceeding human expertise in a broad, logically related set of knowledge domains."
  • Definition: An unexpected and relatively small defect, fault, flaw, or imperfection in an information system or device. Can lead to application errors, crash, or vulnerablity
  • "Reward given to independent security researchers, penetrations testers, and white hat hackers for discovering exploitable software vulnerabilities and sharing this knowledge with the operator of a particular bug-bounty program (BBP)."
  • Definition: A set of principles, practices, and tools to design, develop, and evolve information systems and software that enhance resistance to vulnerabilities, flaws, and attacks.
  • "Equipment or software embedded in the operational components or systems, as opposed to external support units, which perform a test or sequence of tests to verify mechanical or electrical continuity of hardware, or the proper automatic sequencing, data processing, and readout of hardware or(...)
  • Slang for making (burning) a CD-ROM copy of data, whether it is music, software, or other data.
  • "A defined set of business activities that represent the steps or tasks required to achieve a business objective, including the flow and use of information, participants, and human or digital resources."
  • "Discipline involving any combination of modeling, automation, execution, control, measurement and optimization of business activity flows, in support of enterprise goals, spanning systems, employees, customers, and partners within and beyond the enterprise boundaries."
  • "Definition, constraint, dependency, or decision criteria that determine the method of execution of a task or tasks, or influences the order of execution of a task or tasks. Business rules assert control, or influence the behavior, of a business process within computing systems."
  • Eight bits. The byte is the basis for measurement of most computer data as multiples of the byte value. A "megabyte" is one million bytes or eight million bits or a "gigabyte" is one billion bytes or eight billion bits. 1 gigabyte = 1,000 megabytes 1 terabyte = 1,000 gigabytes