dhsAn exodus of top-level officials from the Department of Homeland Security is undercutting the agency’s ability to stay ahead of a range of emerging threats, including potential terrorist strikes and cyberattacks, according to interviews with current and former officials. Over the past four years, employees have left DHS at a rate nearly twice as fast as in the federal government overall, and the trend is accelerating, according to a review of a federal database. The departures are a result of what employees widely describe as a dysfunctional work environment, abysmal morale, and the lure of private security companies paying top dollar that have proliferated in Washington since the Sept. 11, 2001, attacks. More