Nessus is an open source vulnerability scanner that uses signature-based detection. It can be used for vulnerability assessments, penetration testing, and security awareness. Nessus has multiple interface options including a web client, X11 client, Windows client, and OSX client. It connects to a sensor/control panel and allows security professionals and hackers to scan for vulnerabilities on networks and systems.

1. Nessus Basics
Maniac

2. Nessus Basics
• What is Nessus?
• Open source/free vulnerability scanner.
• Signature based detection.

3. Nessus Basics
• Why use Nessus?
• Vulnerability Assessments
• Penetration Testing
• Security Awareness

4. Nessus Basics
• Who uses this tool?
• Security Professionals
• White Hats
• Black Hats

5. Nessus Basics
• What makes Nessus so special over ISS or any of the
other scanners out there?

6. Nessus Basics
• Ok, well this is all fine and dandy, but what does
Nessus look like?
• Sensor/Control Panel Implimentation
• Multiple Possible Interfaces
• Multiple Connections to a Single Sensor

7. Nessus Basics
• Well what possible interfaces are their if there are so
many of them?
• Web Clients
• X11 Default Client
• Windows Clients
• OSX Clients

8. Nessus Basics
• Web Client

9. Nessus Basics
• X11 Client

10. Nessus Basics
• Windows Client

11. Nessus Basics
• OSX Client

12. Nessus Basics
• Ok, it looks pretty... but how do we use it?

13. Nessus Basics
• More information can be found at:
• http://www.securityfocus.com/infocus/1741
• http://www.securityfocus.com/infocus/1753
• http://www.nessus.org