The major concern for cyber security companies like Synamedia is how password sharing can turn into true content piracy ? stealing streaming shows and movies and reselling them for profit.

If you know where to go on the internet, there are entities that steal whole databases of user login credentials and resell them to content pirates on the dark web, said Steve Hawley who authored the Parks Associates report.

From the article "Could streaming giants start to clamp down on password sharing?" by Lionel Bonaventure.