ClickSambo provides two easy ways to see which of your campaigns are most affected by fraudulent activity: a high-level dashboard view and a detailed reporting page.
Navigate to your main Dashboard.
Locate the "Fraudulent Campaigns" widget to see a snapshot of the top offenders.
Go to the Google Ads page from the main menu.
Select the Campaigns tab.
Review the "Fraud Data by Campaign" table. Pay close attention to these two columns: