OWASP Top 10 (2025): How to Protect Against Each Threat

The OWASP Top 10 represents the most critical web application security risks. Here is how to protect against each.

Code	Risk	Protection
A01	Broken Access Control	Implement RBAC, validate object-level permissions.
A02	Cryptographic Failures	Use TLS 1.3, AES-256, never store plaintext passwords.
A03	Injection	Parameterized queries, input validation, WAF rules.
A04	Insecure Design	Threat modeling, secure-by-design patterns.
A05	Security Misconfiguration	Harden configs, disable debug mode, security headers.
A06	Vulnerable Components	Dependency scanning, automated updates.
A07	Authentication Failures	MFA, rate limit login, secure sessions.
A08	Data Integrity Failures	Validate serialized data, signed packages.
A09	Security Logging Failures	Log all security events, centralized logging.
A10	SSRF	Validate URLs, allowlists, network segmentation.