Your Google Tag Manager container has been flagged for malware.

Your Google Tag Manager container *** has been flagged for malware.

If you receive this message, don't panic. Let's try to understand what's happened.

Google scanning system found in your container "malicious software" and ask you to delete it.

The letter looks like:

What should I do?

Delete malware script from the Google Tag Manager as soon as possible.

What will be if I ignore this message?

Your GTM account can be locked.

If I need this script on-site, could I add code with the developers?

Yes, you can. But, first, read the Help article how it can affect your site.

Be careful with untrusted scripts.