With rapid development of IoT network scale and application, continuous increase of audio/video multi-media application, network environment becomes more and more complicated. All kinds of network threats and attacks are emerging, and network security issue raises more and more concern. Network security events occur frequently, including Trojan virus, ARP spoofing, application and system attack and so on.

In order to achieve the best cybersecurity, Dahua minimizes equipment security risks in product design, development and test and avoids network attacks on devices.However, equipment and service security require the response of the entire supply chain and the participation of end users. Therefore, we develop this security hardening guide to help you establish a security management system to ensure normal and safe operation of equipment and systems.