Need an application for Vulnerability scanning for my website?

Guys I have a website on which my whole business depends upon but I face problem of unknown updation and security threats. so I really need an applic

Guys I have a website on which my whole business depends upon but I face problem of unknown updation and security threats. so I really need an application which can provide me with a good scan of virus on my page... please suggest me any application as soon as possible.

or:Guys I have a website on which my whole business depends upon but I face problem of unknown updation and security threats. so I really need an application which can provide me with a good scan of virus on my page... please suggest me any application as soon as possible.

or:Microsoft has a good one google might have one if they do there great

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