Encyclopedia of Cybersecurity

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OAuth

OAuth (Open Authorization) is an open standard and protocol that allows users to grant third-party applications limited access to their protected resources without sharing their credentials (such as passwords) directly with those applications. OAuth is commonly used as an authorization framework for enabling secure and delegated access to web services, APIs (Application Programming Interfaces), and […]

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OAuth Scopes

OAuth Scopes are permissions granted by a resource owner (typically a user) to a client application to access specific resources or perform particular actions on their behalf. They define the extent of access that the client application has to protected resources hosted by a resource server, such as a user’s profile data, photos, contacts, or

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Onion Routing

Onion routing is a privacy-enhancing technique used to anonymize network communication by routing data through a series of intermediary nodes, or “onion routers,” in a layered and encrypted manner. The term “onion” refers to the multiple layers of encryption added to the data packet as it traverses through the network, analogous to the layers of

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Open Source Intelligence

Open Source Intelligence (OSINT) refers to the collection, analysis, and interpretation of information from publicly available sources to gather insights and intelligence on various subjects, including individuals, organizations, events, and activities. OSINT encompasses a wide range of publicly accessible sources, such as news websites, social media platforms, government databases, public records, academic publications, online forums,

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Open Web Application Security Project

The Open Web Application Security Project (OWASP) is a worldwide nonprofit organization focused on improving the security of software. OWASP operates as a community-driven initiative that provides free resources, tools, and documentation to help organizations develop, deploy, and maintain secure web applications and APIs. Key aspects of OWASP include: Documentation: OWASP produces a variety of

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Out-of-Band Authentication

Out-of-Band (OOB) authentication is a security mechanism used to verify the identity of users or devices during the authentication process by leveraging a separate communication channel or method that is independent of the primary authentication channel. OOB authentication adds an extra layer of security by requiring users to verify their identity through a secondary, out-of-band

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