Twenty-two-year FBI veteran will be in charge of Verizon's physical and cybersecurity The executive in charge of the U.S. Federal Bureau of Investigation’s criminal investigations division will take over as chief security officer (CSO) of Verizon Communications early next year.Michael Mason, head of the FBI’s Criminal, Cyber, Response and Services Branch, will become Verizon’s CSO in January 2008, the company said Tuesday. He replaces Jim Trainor, who will retire from the telecommunications giant.A 22-year FBI veteran, Mason oversees the largest branch of the FBI and is the executive responsible for the federal law enforcement organization’s criminal, corruption, civil rights, and cybercrime investigations. Mason will be in charge of Verizon’s overall security efforts, including physical security and cybersecurity within the company. He will report to Bill Barr, Verizon’s executive vice president and general counsel.With more than 62 million customers and nearly 240,000 employees, Verizon is one of the largest carriers in the United States. SecurityTechnology IndustryCareers