Vulnerability scanning is not rocket science; anyone with the time in their hands to search for a software vulnerability scanner can find one in mere seconds. With the way the Internet has grown for at least two decades, the more bad actors enter the system. Cybercriminals are profiting from an open undiscovered vulnerability in mainstream software people and companies, cybercriminals continue their research and development to bypass current solutions of increasing IT security.Companies and interested individuals can use vulnerability scanning software against their own IT infrastructure, as part of the cybersecurity defense internal audit.”]
Source: https://hackercombat.com/vulnerability-scanners-101/