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Dictionary Attack

Dictionary Attack: Password attack using lists of probable words, variants, and known passwords. Defense requires robust preventionPreventionMeasures intended to stop security incidents or attacks before they occur., meaningful loggingLoggingThe recording of security-relevant events so activity can be monitored, investigated, and audited., timely detectionDetectionThe capability to identify suspicious activity, attacks, or policy violations in time., and clearly defined response measures.

How it works and where it fits

Technically, Dictionary Attack describes an attack path or a concrete method rather than a single suspicious event. A sound assessment separates prerequisites, entry point, objective, intermediate steps, and expected effect. The same technique can produce very different outcomes depending on system architecture, available privileges, exposure, and existing safeguards.

Practical security relevance

In practice, both preventive measures and observable traces matter. Secure configuration, restricted privileges, robust input and identity checks, and telemetry at affected trust boundaries all contribute. A single indicator rarely proves an attack; reliable detection, containment, and remediation require the combined context of timing, source, target, and observed impact.

  • AuthenticationAuthenticationVerification of the claimed identity of a user or system.: Verification of the claimed identity of a user or system.
  • AuthorizationAuthorizationDecision regarding which actions an authenticated identity is permitted to perform.: Decision regarding which actions an authenticated identity is permitted to perform.
  • Identity and Access ManagementIdentity and Access ManagementManages digital identities, roles, permissions, and access lifecycles.: Manages digital identities, roles, permissions, and access lifecycles.
  • Least PrivilegeLeast PrivilegeGrants only the minimum permissions necessary for a specific task and timeframe.: Grants only the minimum permissions necessary for a specific task and timeframe.

Related terms