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Troubleshooting a "Malicious Site" Issue

Update 09/01/2026

This guide offers solutions to address errors of the type “Malicious Site! The website has been reported as a malicious site and has been blocked based on your security preferences” (STOP! This Website Can Harm Your Computer! in English).

 

Who put up this message?

This error message or warning…

  • … is NOT added by Infomaniak.
  • … is generated based on Google's own data, using, among other things, https://www.stopbadware.org/.
  • … may no longer appear directly because…
    • … you are no longer indexed by Google.
    • … you are using a browser that does not rely on Google's controls.

 

What to do?

If this does not concern the website you manage, please refer to Google's help page on this topic.

If the site is yours, please review the following advice:

  • Check the source code of the published page: there is likely to be additional code compared to the pages that are still healthy; this may be a malicious iframe or some other inclusion…
  • On the page in question, click on the "Why was this site blocked?" button and follow the instructions.
  • Consult the Google documentation on this subject.
  • Monitor the vulnerability detection tool, which may resolve the issue in the meantime.

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