Customer reports that they are seeing an unexpected increase in traffic to their Help Center.
1. Customer's Help Center is active
2. They are using Google Analytics to examine traffic
3. The traffic is being referred from some sketchy sources.
Maybe: When they go to Reporting and look at the Help Center or Community tab, they will not see a similar spike in traffic.
Given the unusual volume and the fact that this traffic is not being logged in native reporting (which filters out suspect traffic), it's likely that the traffic is not coming from real people, but rather from some sort of bot(s). The referral traffic will confirm this.
Here is an article from Google on how to look up referrers in Google Analytics and how to exclude them from their data.
They can also filter the IPs in Google Analytics to exclude this information from their reports.
Finally, you can them to share the IPs of the primary abusers and reach out to Security Ops so they can restrict traffic from them.
Here is another good resource for learning more about eliminating this type of traffic from their Google Analytics.