What does security capability mean? What are the protection capabilities of different levels of ISO?

At present, China's classified protection is divided into five levels , Different levels of security protection requirements are determined for different levels . Now let's talk about what security protection capability means ？ What are the protection capabilities of different levels of ISO ？

What does security capability mean ？

《 Information security technology basic requirements for network security level protection 》 Security protection capability is defined as the ability to resist threats 、 The extent to which safety incidents are found and the previous state can be restored after damage .

What are the protection capabilities of different levels of ISO ？

The basic safety protection capabilities of objects protected at different levels are as follows ：

1、 Level 1 security protection capability ： It should be able to protect against... From individuals 、 Malicious attacks by threat sources with few resources 、 Ordinary natural disasters , And the damage to key resources caused by other threats of considerable harm , After their own damage , It can restore some functions .

2、 Second level security protection capability ： It should be able to protect the system from small external organizations 、 Threat sources with a small amount of resources launch malicious attacks , General natural disasters 、 And other important resource damage caused by threats with a considerable degree of harm , After the system is damaged , It can restore some functions within a period of time .

3、 Level 3 security protection capability ： It shall be able to protect the system from external organized groups under a unified security policy 、 Threat sources with rich resources launch malicious attacks 、 More serious natural disasters 、 And other major resource damage caused by threats with a considerable degree of harm , Be able to find security vulnerabilities and security time , After the system is damaged , It can recover most functions quickly .

4、 Level 4 security protection capability ： It should be able to protect against... From the national level under the unified security policy 、 Of hostile organizations 、 Malicious attacks launched by threat sources with rich resources 、 Serious natural disasters , And the damage to resources caused by other threats of considerable harm , Be able to find out in time 、 Detect security events that detect attacks , After their own damage , Able to quickly restore all functions .