Definition:Authentication
Authentication is the security process of verifying the claimed identity of a user, service, or system component.
Detailed Technical Explanation
Business Perspective
Robust authentication forms the foundational security perimeter guarding proprietary company data and client records.
Technical Perspective
Password authentication requires hashing credentials with bcrypt or Argon2id prior to database storage.
Real-World Example
A hospital doctor entering a password and 6-digit TOTP code to unlock electronic health records.
Common Architectural Mistakes
- ✗Plaintext Password Storage: Storing unhashed or weakly hashed passwords in database tables.
Ecosystem Integration
Frequently Asked Questions
How does Authentication differ from Authorization?
Authentication verifies WHO a user is. Authorization determines WHAT resources that verified user is permitted to access.
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