Network security 

Network security is very important for an enterprise, especially those with large costs in Internet products. What should be included in it? 

(1) The operating system does not have the relevant security configuration 

No matter what kind of operating system, there will be some security issues if the installation is not entirely, only if devote to the related and strict security configuration for operating system security, can achieve a certain degree of security. Do not think that after default installation the operating system, there will be no problem as long as they own set complex passwords Network software vulnerabilities and "backdoor" are the preferred target for network attacks. 

(2) No CGI program code audit 

If it is the universal CGI problem, the prevention will be a bit easier, but some CGI programs developed by specialized website or software vendors, many serious CGI problems exist, for electronic commerce site, there will be malicious attackers impersonate others' account for online shopping and other serious consequences. 

(3) Denial of service (DoS) attack 

The real-time requirements for nowadays websites are getting higher and higher, DoS or DDoS threat to the site is growing. If a network attack sets the network paralysis as the goal, then its attack effect is very strong, very destructive, the speed of causing harm and scope are beyond our expectations, while the rick to the attacker itself is very small, even disappear before attacking. 

(4) Improper use of safety products 

Although many websites have adopted the basic network security equipment, because of the product safety or the use problem, these products did not play its due role. The productions from many security manufacturers are with high requirements on the technology of the configured personnel, even if the manufacturers initially made correct installation and configuration for the users, once the system changes, when the related security product settings need to change, it is easy to occur many safety problems. 

(5) The lack of strict network security management system 

The most important thing of network security is to have the corresponding system for guarantee, establishing and implementing strict computer network security system and strategy is the basis for the realization of network security. 

Information security consulting services and grade protection services are mainly used in various industries, including government, finance, energy and other industries' important application systems. Application system through the provision of these services to enhance the security and reliability of the application system, so as to ensure the safe and reliable operation of various businesses.