1. Authentication
- Use Strong Passwords/Tokens (e.g., OAuth 2.0, JWT).
- Multi-Factor Authentication (MFA)
2. Authorization
- Role-Based Access Control (RBAC)
- Attribute-Based Access Control (ABAC)
3. Rate Limiting
- Limit the number of requests per user/IP address to protect against DDoS attacks.
- Tiered Access
4. Input Validation & Data Sanitization
- Validate All Input
- Parameterize Queries
5. Encryption
- Use HTTPS
- Encrypt Sensitive Data at Rest
6. Error Handling
- Avoid revealing sensitive information in error responses.
- Log Errors Securely
7. Logging & Monitoring
- Real-Time Monitoring
- Aggregate and analyze logs for threat detection.
8. Security Headers
- Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), X-Frame-Options, etc.
- Ensure headers align with current security best practices.
9. Token Expiry
- Short-Lived Tokens: Minimize the window of opportunity for attackers.
- Refresh Tokens (if needed): Balance security with user experience.
10. IP Whitelisting
- Allow API calls only from trusted IP addresses.
Caution: Not ideal for dynamic IP environments or large user bases.
11. Web Application Firewall (WAF)
- Detect and block common web attacks at the application layer.
- Keep up with the latest threats.
12. API Versioning
- Allow older clients to continue using previous versions while introducing new features.
- Clearly communicate end-of-life for older versions.
13. Secure Dependencies
- Patch vulnerabilities promptly.
- Identify and address security risks in third-party components.
14. Intrusion Detection Systems (IDS)
- Monitor network traffic for suspicious patterns.
- Analyze logs and system events on individual servers.
15. Use of Security Standards & Frameworks
- Follow industry-recognized guidelines.
- Consider NIST Cybersecurity Framework, ISO 27001.
16. Data Redaction
- Mask Sensitive Data
#API #BaseSecurity
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