OAuth: Open Authorization in Cybersecurity
OAuth stands for Open Authorization. Open Authorization is a standard that lets users grant third-party applications limited access to their resources without sharing passwords. OAuth 2.0 issues access tokens with defined scopes and lifetimes.
How OAuth Is Used in Cybersecurity
Security engineers design OAuth flows to protect APIs and control third-party data access. Penetration testers exploit misconfigured OAuth scopes, open redirects, and token theft vectors. Architects choose the right OAuth grant type based on application type and trust level.
Read the full glossary entry: OAuth in Cybersecurity
Cybersecurity Roles That Work with OAuth
Related Cybersecurity Acronyms
Frequently Asked Questions
What does OAuth stand for?
OAuth stands for Open Authorization. Open Authorization is a standard that lets users grant third-party applications limited access to their resources without sharing passwords. OAuth 2.0 issues access tokens with defined scopes and lifetimes.
What is OAuth used for in cybersecurity?
Security engineers design OAuth flows to protect APIs and control third-party data access. Penetration testers exploit misconfigured OAuth scopes, open redirects, and token theft vectors. Architects choose the right OAuth grant type based on application type and trust level.
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.
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