What are the three defenses of safety?

Safety three defenses refer to civil air defense, physical defense and technical defense.

Civil air defense and physical defense, as the name implies, are security precautions through manpower and material resources, such as personnel patrolling and standing guard. With the continuous progress of science and technology, these traditional preventive measures are also constantly integrated into the content of new technologies.

Civil air defense and physical defense are traditional means of prevention since ancient times and are the basis of safety prevention. Technical defense means security prevention through modern science and technology, such as electronic monitoring, electronic anti-theft alarm and other technical means.

Basic method:

1, civil air defense

The basic manpower prevention is to use people's own sensors (eyes, hands, ears, etc. ) Detect and find targets that hinder or undermine safety and respond; Use sound warning, intimidation, setting up roadblocks, weapons to fight back and other means to delay or prevent the occurrence of danger, and send out a distress signal when one's own strength is insufficient, in order to expect further response to stop the occurrence of danger or deal with the danger that has already occurred.

2. Physical defense

The main function of physical prevention is to delay the occurrence of danger and provide enough time for "reaction". Modern physical protection is no longer a simple passive protection of material barriers, but more and more high-tech means are adopted, which on the one hand reduces the possibility of physical barriers being destroyed and increases the delay time; On the other hand, it also increases the detection and reaction functions of the physical barrier itself.

3. Technical defense

Technical prevention means can be said to be the extension and strengthening of the functions of civil air defense means and entity prevention means, and it is the supplement and strengthening of civil air defense and entity prevention in technical means. He should be integrated into civil air defense and physical defense, so that civil air defense and physical defense can continuously increase the high-tech content in the three basic elements of detection, delay and response, and constantly improve the detection ability, delay ability and response ability, so that the preventive measures can really play a role and achieve the expected purpose.

Expand the significance of data technology defense

In this era of rapid development of science and technology, it can be said that almost all high technologies will be transplanted and applied to security work sooner or later. Therefore, the position and role of "technical prevention" in security prevention technology will become more and more important, bringing a new revolution in security prevention.

In foreign countries, security technologies are usually divided into three categories: physical protection, electronic protection and biometric protection.

Physical prevention technology here mainly refers to physical prevention technology, such as buildings and physical barriers, as well as various physical facilities, equipment and products (such as doors, windows, cabinets, locks, etc. ) match them; Electronic prevention technology mainly refers to electronics, communication, computer and information processing and related technologies, such as electronic alarm technology, video monitoring technology, access control technology, computer network technology and its related software and system engineering.

Biometric prevention technology is the product of the combination of forensic material evidence identification technology and pattern recognition in security prevention technology. It mainly refers to a special technical category of security technology that uses human biological characteristics to prevent. Now, fingerprint, palm print, eye print, voiceprint and other recognition control technologies are widely used.

Baidu encyclopedia-defense technology of civil air defense materials

Baidu Encyclopedia-Security Technology Prevention