WALTHAM, Mass.--(BUSINESS WIRE)--Digital Guardian, the only endpoint security platform purpose built to stop data theft, today announced the appointment of Ed Durkin as its new chief financial officer and Craig Hansen as its new vice president of federal sales. “These are two very highly regarded individuals who will make significant contributions to Digital Guardian as we continue our rapid growth,” said Ken Levine, president and CEO, Digital Guardian. “Both Ed and Craig bring the seasoned exp