IT Security questions

Information security vulnerability analysis tool -

• Netsparker
• Acunetix
• OpenVAS
• Nexpose Community
• Nikto
• Tripwire IP360
• Wireshark
• Aircrack
• Nessus Professional
• Retina CS Community
• Microsoft Baseline Security Analyzer
• Secunia Personal Software Inspector

 Choose a topic which can be a tool, framework, practice, a methodology or technology related to vulnerability analysis and summarize it for the class. In your summary explain its purpose and address the following points:

How widely is it used? How reliable is it in practice? What is its commercial availability? Does it scale well? Is it applicable to networked environments? Are there any other relevant aspects which you may have noticed?

Please the answer the above questions with 250 words or more with references. Thank you