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What are the best practices for securing APIs against unauthorized access?

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What are the best practices for securing APIs against unauthorized access?

Asked on Dec 23, 2025

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Securing APIs against unauthorized access is crucial to protect sensitive data and maintain system integrity. Implementing robust authentication, authorization, and encryption measures based on established frameworks like OWASP API Security Top 10 can significantly reduce risks.

Example Concept: Implement API security by using OAuth 2.0 for authentication, which provides token-based access control. Enforce HTTPS to encrypt data in transit, and apply rate limiting to prevent abuse. Use API gateways to manage and monitor traffic, and regularly audit API endpoints for vulnerabilities.

Additional Comment:

Ensure all API endpoints require authentication and validate tokens properly.
Implement role-based access control (RBAC) to restrict API access based on user roles.
Regularly update and patch API software to fix known vulnerabilities.
Log and monitor API activity to detect and respond to suspicious behavior promptly.
Consider using Web Application Firewalls (WAF) to filter and monitor HTTP requests.

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What are the best practices for securing APIs against unauthorized access?

Asked on Dec 23, 2025

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