In Quebec there has been some fraudulent activity. I believe there was a case involving a journalist, a quite high-profile case. The most famous real estate fraud case in Quebec involved former La Presse journalist, François Trépanier, where fraudsters made away with $243,000 and forced Mr. Trépanier to endure considerable stress and legal costs to win back the title to his home in Montreal.
Generally if a fraudulent transaction takes place in Quebec, the innocent victim must first pursue the notary who completed the transaction. Then they have to go to court. It's litigated through the civil justice system. They're usually paid out through the notary's errors and omissions insurance.