Open System Authentication (OSA): A network security method for verifying user or device identity through a shared secret like a password or biometric data. It ensures that only authorized users can access sensitive resources, with examples including password-based logins, fingerprint scanners, and face recognition technology.
Categories: CC D4: Network Security | CCSP D3: Cloud Platform and Infrastructure Security | CISM D3: Information Security Program | CISSP D5: Identity and Access Management (IAM) | Security+ D3: Security Architecture | SSCP D6: Network and Communication Security
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