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Authentication verifies who you are, while authorization determines what you can do.

Session-based authentication uses cookies to remember users after login.

Secure API design requires multiple strategies to protect sensitive data and access.

JWTs allow secure user authentication without needing session storage.

API keys help identify clients and control their access to APIs securely.

SSRF is a vulnerability where an attacker tricks a server into making unintended requests.

Choosing the right distributed lock depends on your system's needs and existing tools.

Active-passive architecture ensures a standby system takes over if the main system fails.

The TLS handshake establishes a secure connection for HTTPS, ensuring data safety.

The CAP Theorem explains the trade-offs in distributed systems during network failures.