How do I handle and prevent brute force attacks on login credentials in my web application?

Brute force attacks involve an attacker attempting all possible combinations of usernames and passwords until a successful login is obtained. To prevent such attacks in your web application, here are some recommended measures:

1. Account Lockouts:

Implement a mechanism that locks user accounts after a certain number of failed login attempts. This temporary lockout prevents an attacker from continuously guessing login credentials.

2. CAPTCHA:

Integrate a CAPTCHA system that differentiates between human users and automated bots. This helps prevent brute force attacks carried out by bots.

3. Two-Factor Authentication (2FA):

Require users to verify their identity using a second factor, such as a unique code sent to their mobile device, in addition to their username and password. This adds an extra layer of security.

4. Strong Password Policies:

Enforce password policies that encourage users to create strong and unique passwords. This includes setting minimum length requirements, requiring a combination of uppercase and lowercase letters, numbers, and special characters.

5. Secure Coding Practices:

Develop and maintain your web application using secure coding practices to mitigate vulnerabilities. This includes input validation, using parameterized queries or prepared statements to prevent SQL injection attacks, and regularly updating software libraries and dependencies.