Another click fraud auditing firm, Anchor Intelligence, reports that click fraud has remained mostly flat over the last quarter, by contrast.

FORBES: Record Click Fraud Boosted By Fake Video, Cell Phone Traffic

It advises severe sanctions on companies that do not report fraud and detailed guidance for the auditing of business "empires".

BBC: You are in: Business

Now they've ramped up training in auditing, ethics and fraud during high-priced seminars where executives attend lectures, role-play and exchange experiences.

FORBES: We Won't Get Fooled Again