Northrop Grumman has promoted Ed Halibozek to Vice President of Corporate Security and Tim McKnight to Vice President of Information Security.Halibozek will have oversight of all company-wide security program and will chair the company's internal Security Council. He was previously Corporate Director of Security. Halibozek holds a masters degree in criminal justice as well as an MBA. He will report to Ian Ziskin, Northrop Grumman's corporate vice president and chief human resources and administrative officer.McKnight will hold responsibility for the company's information protection strategy. He was previously Corporate Director of Information Security at BAE Systems and has held positions at Cisco Systems and with the FBI, and has graduate-level educational background including criminal justice, law and executive management. McKnight will report to Ziskin and to Northrop Grumman CIO Tom Shelman.