Vulnerability scanners keep web applications secure by protecting your website and web applications from hacker attacks. If a website is not protected by vulnerability scanners, hackers can hack it remotely, gain access to sensitive data, and start sending spam.
Vulnerability scanners are security scanners, they can also be called attack prevention systems.
Vulnerability Scanner detects vulnerabilities in your web application so that it can be protected.
Although vulnerability scanners are important components of your security system, you should not rely solely on vulnerability scanners.