web-security

Secure password storage requires hashing passwords using modern algorithms like bcrypt or Argon2id. This approach protects user credentials by converting them into irreversible hashes, preventing exposure even if the database is compromised.

To enforce secure communication, configure HTTPS and enable HSTS to force browsers to use secure connections. This prevents protocol downgrade attacks and ensures all data transmitted between the client and server remains encrypted.

Implementing essential HTTP security headers mitigates various attacks like cross-site scripting and clickjacking. Configuring headers such as Content-Security-Policy adds strict layers of defense by controlling resource loading and execution.

Rate limiting prevents account enumeration by restricting repeated authentication attempts. Applying rate limits to login endpoints stops automated attacks from guessing credentials or determining valid user accounts based on response variations.

Secure session management patterns involve generating strong session identifiers and enforcing proper expiration policies. These patterns prevent session hijacking by ensuring authenticated states are securely maintained and invalidated when no longer needed.

Breach response involves containing the threat and securing compromised systems. A pragmatic response includes rotating affected credentials, patching exploited web vulnerabilities, and auditing logs to determine the scope of unauthorized access.