Firewall has detected a new network

If your firewall shows a notification that it has detected a new network, it means it is doing one of its fundamental jobs properly. But good network security does not stop with just detecting a new network.

You will have to analyze the network location, ensure it is authorized to connect with your network, automate this process, and ensure full-on monitoring so that none of the intrusive attempts ever go unnoticed.

A good amount of all these tasks can be made more efficient, accurate, and automated with the help of strong network security solutions.

What should you do if your firewall has detected an unrecognized network?

1. Analyze the incoming network request

• If the process is not automated, you might have to check for the incoming network request’s trustworthiness manually.

• You can check the security certificates associated with the request, check its source, validate with the right information whether this source can be trusted, and then decide whether to allow access.

• The best way to deal with any new network detection is to automate the authorization by using a strong network security policy that outlines what sources can be trusted, what cannot be trusted, and which decisions require further approval.
  

2. Analyze your network for any impact

• In case of an untrusted new network detection and possible intrusion, you should be able to check the impact or effect it has had on your current assets.

• You should analyze the entire system for performance, feature validation, and asset availability.

• A quick way to do this would be to use any network visualization product, such as Firewall Analyzer. This tool can also assess how your overall home network will be impacted by any possible security policy
  

3. Reassess your security policies and improve them

• In the event of any security incident, you will have to isolate your network, mitigate any impact caused by the intrusion and reset the system to a healthy state.

• And most importantly, you will have to investigate the incident, figure out the root cause, and fix it.

• This would require updating your security policies, risk management, and local network security settings.

• Following up on any security incident is highly recommended so that no unauthorized intrusion attempts go unnoticed and are handled appropriately. And like any other seemingly enormous task, this can be automated too.

• Check out firewall change management tools to help you implement continuous improvement within your network security management, contributing to network protection.

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