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How to Use Nessus for Vulnerability Scanning and Assessment

Vulnerability scanning and assessment are essential components of keeping a network secure. Nessus is a powerful tool that can be used to accomplish these tasks. Here's how to use Nessus for vulnerability scanning and assessment.

Step 1: Install Nessus

Nessus must be installed on the machine that will be used to scan the network. Nessus is available for Windows, Mac OS X, and Linux, so you can install it on whatever system you are using. The download page can be found here: https://www.tenable.com/products/nessus/select-your-operating-system. Once installed, you will need to register for an account in order to use Nessus. You can do this from the Nessus web interface.

Step 2: Configure the Scan

Once Nessus is installed, you can configure the type of scan you would like to perform. For example, you can choose the type of scan (basic, advanced, etc.), the target IP addresses, and the ports you would like to scan. You can also configure the level of detail you would like the scan to provide. Once all the settings have been configured, you can save the scan as a template to use in the future.

Step 3: Perform the Scan

After the scan is configured, you can launch it by pressing the "Launch Scan" button. The scan will then run and produce a report of any vulnerabilities that were detected by the scan. This report should provide details on the severity of the vulnerability and any recommended remediation steps.

Step 4: Review the Results

Once the scan completes, you should review the results. If any high-severity vulnerabilities were discovered, you should take immediate action to address them. Otherwise, you should work through the vulnerabilities one-by-one and take appropriate remediation steps.

Step 5: Re-scan and Verify Fixes

After you have taken steps to address any identified vulnerabilities, you should perform another scan of the network to verify that the fixes have been successful. If any significant vulnerabilities remain after your remediation efforts, further action may be necessary.

Conclusion

Vulnerability assessment and scanning is an important task that should not be overlooked. Nessus is a powerful tool that can be used to easily assess and scan network systems for vulnerabilities. By following the steps outlined above, you can use Nessus to keep your network secure.

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