Key API Security Mistakes Developers Must Avoid in Production

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API security becomes increasingly complex when applications are broken into separate services, creating vulnerabilities that attackers can exploit. Common risks highlighted include broken authentication, SQL injection, and broken access control, all of which appear on OWASP's annual list of top security vulnerabilities. Authentication verifies whether a user can access an application, while authorization determines which features or resources that user is permitted to use. Rate limiting is another critical safeguard, restricting how many times a user can call an API within a given timeframe to prevent abuse such as DDoS attacks and brute-force login attempts. Developers can mitigate these threats by hashing passwords, enforcing token expiry, implementing proper access controls, and applying rate limits using tools like NestJS's throttler module.

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ProgrammingDEV Community ·

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ProgrammingGitHub Blog ·

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