Vulnerability Scanners Simply Explained

vulnerability scanners

What Is Vulnerability Scanners ?

According to wikipedia, "A vulnerability scanner is a computer program designed to assess computers, computer systems, networks or applications for weaknesses.

As always, according to me, "Vulnerability scanner is program which is designed to identify the mistakes of a system."

How Vulnerability Scanner Works ?

The vulnerability scanner works in the same way the antivirus programs does. These scanners, first gather the basic information about the host(target), such as operating system and it's version, ports and services and then select appropriate test modules.

These vulnerability scanners having a huge database of vulnerabilities and these should be continuously updated.Scheduled scans with these continuously updating scanners can maintain a good security health in the network or system.

Vulnerability scanners not only traces the vulnerabilities but also it fixes and sometimes suggests fix for vulnerability.

What Are The Top Vulnerability Scanners ?

  • IBM AppScan 
  • Netsparker 
  • Nessus 
  • OpenVAS 
  • Retina CS Community 
  • CORE Impact Pro 
  • Nexpose 

What Are The Best Online Vulnerability Scanners ?

  • GamaSec 
  • Acunetix 
  • Websecurify 
  • Qualys 

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