Protecting your WordPress admin dashboard URL
Since the default URLs used to log in to the Admin area of WordPress websites are known publicly (such as domain.com/wp-admin), anyone can attempt to log in, posing a potential vulnerability for your website.
To prevent this, you can change the URL to something unique or protect the existing URL with the help of the changing the WP Admin URL
The easiest and fastest way to protect your admin URL is to change it. You can do it easily by using a free plugin like WPS Hide Login.
Once you set a new URL and save the changes, the login URL will change instantly, so make sure to save it somewhere safe