Race Condition
Also known as:TOCTOU
Race Condition: Error where the result depends on the timing or sequence of parallel processes. This term is relevant to the assessment and design of modern security architecturesSecurity ArchitectureThe structured design of security controls, trust boundaries, data flows, and operational responsibilities. and should be applied within the specific technical and organizational context.
How it works and where it fits
Technically, Race Condition 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.
Related concepts
- Application SecurityApplication SecurityProtects software against vulnerabilities during development, operation, and maintenance.: Protects software against vulnerabilities during development, operation, and maintenance.
- Open Web Application Security ProjectOpen Web Application Security ProjectNon-profit community providing standards, tools, and knowledge bases regarding application security.: Non-profit community providing standards, tools, and knowledge bases regarding application security.
- Secure CodingSecure CodingProgramming practices aimed at avoiding common vulnerabilities and misconfigurations.: Programming practices aimed at avoiding common vulnerabilities and misconfigurations.
- Security TestingSecurity TestingExamines systems, applications, and controls for weaknesses and malfunctions.: Examines systems, applications, and controls for weaknesses and malfunctions.