Unplug from the internet, countries and internet providers who have a large amount of fraud, or computer viruses.
At a minimum start with Nigeria and Ghanda. Require the countries/companies to demonstrate an ability and willingness to actively prosecute internet fraud.
Since this would cut off internet access to legitimate businesses, you can certify legitimate businesses individually and turn them back on, either before or after the sanctions go into effect.
Voting on Ideas
Vote for your favorite ideas by clicking on the up arrow.To undo an upvote, simply click the arrow again. This second click removes your vote.