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
  • "A preconfigured software instance that uses business rules and predefined activity choreography to complete the autonomous execution of a combination of processes, activities, transactions, and tasks in one or more unrelated software systems to deliver a result or service with human exception(...)
  • "An AI system that is resilient in real-world settings, such as an object-recognition application that is robust to significant changes in lighting. The phrase also refers to resilience when it comes to adversarial attacks on AI components."
  • "ability of a system to maintain its level of performance under a variety of circumstances"
  • "of an estimator of a parameter[; ...] the square-root of the mean squared error (MSE) of the estimator. In symbols, if X is an estimator of the parameter t, then RMSE(X) = ( E( (X−t)2 ) )½. The RMSE of an estimator is a measure of the expected error of the estimator. The units of RMSE are the(...)
  • Definition: A set of software tools with administrator-level access privileges installed on an information system and designed to hide the presence of the tools, maintain the access privileges, and conceal the activities conducted by the tools.
  • "the transformation of a number expressed in a particular base to a number with fewer digits."
  • A piece of hardware that routes data from a local area network (LAN) to a phone line. 
  • "describes a single entity or observation and the columns describe properties about that entity or observation. The more rows you have, the more examples from the problem domain that you have."