For the sake of security of protection of facilities and property, most countries have adopted detailed laws and regulations regarding safe facilities. Thanks to the adopted regulations, it is a relief to build and design security systems and procedures in the company that were intended to live people as well as property. The concept of protection is based on valid laws, regulations and norms. Throughout this paper, he describes in more detail the technical protection measures, the measures of private protection, the security procedure, the categorization of endangered building structures and the technical measures of fire protection, while emphasizing the placement in the fire alarm system of the building depending on their categories. In a practical example, an EDP company is shown that uses a variety of technical devices as well as physical protection, a safe procedure in crisis situations, as well as technical fire protection measures.