Quick Answer
Secure Web API: use JWT or OAuth2 for authentication. Enforce HTTPS. Apply [Authorize] to protect endpoints. Use CORS to restrict origins. Validate all inputs (model validation). Rate limit to prevent abuse. Return minimal error details (no stack traces). Keep dependencies updated. Use HTTPS-only cookies if using cookies. Apply principle of least privilege for service accounts and API keys.
Answer
Security techniques include:
JWT Bearer authentication
[Authorize] attributes
HTTPS enforcement
Input validation
Rate limiting
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.