Abstract: There is provided a truck security system for use with a truck and cab combination wherein the security system comprises: a first digital camera positioned on the truck cab and oriented so as to view toward the front of the truck; a second digital camera positioned on the truck cab and oriented so as to view toward the left of the truck cab; a third digital camera positioned on the truck cab and oriented so as to view toward the right of the truck cab; a fourth digital camera positioned on the truck cab and oriented so as to view toward the rear of the truck cab; a fifth digital camera positioned on the truck trailer and oriented so as to view toward the rear of the truck trailer; a first microphone positioned proximate to the truck cab; a second microphone positioned proximate the rear of the truck trailer; a control unit linked to each of the first camera, the second camera, the third camera, the fourth camera, the fifth camera, the first microphone, and the second microphone.