An undisclosed major hedge fund company in the U.S. is the victim of a spear phishing attack that resulted in the firms trading strategy to be leaked to the cybercriminals and trade orders to be executed with a delay. The breach occurred towards the end of 2013 and the company affected is a customer of BAE Systems Applied Intelligence, which dealt with the incident. Paul Henninger, global product director at BAE, told CNBC that the attack’s level of business sophistication was unlike …