How to create passcode of website which is is not easy accessed by others

[Chead2023]

No description provided.

[fromrha]

Hi @Chead2023, allow me to answer your question.
To implement a secure passcode system for your website, follow these best practices:

1. Use HTTPS: Ensure your website is served over HTTPS to encrypt data between the user and your server.

2. Require Strong Passcodes: Enforce strong passcode requirements, including:

   • Minimum length (e.g., 8-12 characters).
   • A mix of uppercase, lowercase, numbers, and special characters.
   • Avoid dictionary words or commonly used passwords.

3. Hash Passcodes Securely:

   • Use a reliable password hashing library such as bcrypt, Argon2, or PBKDF2.
   • Avoid using plain MD5 or SHA1 as they are no longer secure.

4. Implement Rate Limiting:

   • Add a rate limiter to restrict the number of attempts (e.g., 5 attempts per 15 minutes).
   • Use libraries like express-rate-limit in Node.js or equivalent in other frameworks.

5. Multi-Factor Authentication (MFA):

   • For additional security, implement MFA using tools like Google Authenticator, Authy, or SMS-based verification.

6. Secure Passcode Storage:

   • Store hashed passcodes securely in your database.
   • Protect your database from SQL injection with parameterized queries or ORM tools.

7. Session Management:

   • Use secure cookies (HttpOnly, Secure, and SameSite flags).
   • Expire sessions after a reasonable time of inactivity.

8. Monitor for Security Breaches:

   • Regularly monitor login attempts and failed attempts for suspicious activity.
   • Use logging and alerts for unusual patterns.

9. Educate Users:

   • Provide guidance on creating strong passcodes.
   • Notify users if their passcode is found in data breaches.

By following these steps, you can greatly reduce the risk of unauthorized access to your website. However, at the end of the day, the old saying still holds true: "No system is completely safe."

That said, I believe in building a secure system. If we stay up-to-date with the latest security practices and implement them effectively, we can significantly minimize the risks of attacks. But it doesn’t end there—we need to stay vigilant and actively maintain the system to address unexpected vulnerabilities or new threats that may arise. Security isn’t a one-time setup; it’s an ongoing process.