The problem of cybersecurity is quite severe nowadays. Even large and well-known companies face the problem of sensitive user data leakage. It can be unauthorized access to databases, leaked logs, etc. Quite often, we encounter day 0 vulnerabilities that attackers can exploit. All this negatively affects the security of users themselves and the business’s reputation. In this article, I would like to explain how to implement storing user authentication data with password authentication.

Authentication

Authentication is the process of confirming by the user that he is the owner of the presented identifier. The most apparent and most familiar authentication process is password authentication. The user goes to the login page, enters his username/password, and logs on. In this article, I will show how you can implement authentication on the server.