For the purposes of these guidelines, terrorism is defined as "criminal acts and/or threats by individuals or groups designed to achieve political or economic objectives by fear, intimidation, coercion or violence." General guidelines for counter-terrorist security recommend that a manager be assigned the primary responsibility for organizational security measures. Security measures should include personnel security screening, positive employee identification, and perimeter access control. In formulating any plan to minimize the possibility of terrorist acts, liaison with law enforcement agencies is essential. Guidelines for office-area protection address office accessibility, alarm protection, visitor controls after- hours access, executive office area restrooms, maintenance closets, and telephone and electrical equipment rooms. Other guidelines for office-area protection pertain to key controls, identification badges, fire protection, safe room, emergency supplies, incoming mail, parking, and travel plans. Guidelines for executive personal protection include the keeping of a low executive profile, the avoidance of routines, recognition of surveillance, travel arrangements, and code systems. Recommendations for residential and family protection encompass physical protective measures, the use of unlisted telephone numbers, emergency plans, travel plans, recognition of suspicious activities, and family security awareness. Guidelines for protection while traveling pertain to automobile and aircraft travel. Remaining guidelines address kidnapping, extortion threats, and the assessment of organizational targets.