(2) Safe operation. Operation safety mainly includes backup and recovery, virus detection and removal, electromagnetic compatibility, etc. Main equipment, software, data, power supply, etc. The confidential system should be backed up and have the ability to restore the system operation in a short time. Anti-virus software recognized by relevant national authorities should be used for timely anti-virus, including anti-virus of servers and clients.
(3) Information security. Ensuring the confidentiality, integrity, availability and non-repudiation of information is the central task of information security.
(4) Safety management. The security management of classified computer information system includes three aspects: management organization, management system and management technology.
Computer security:
The definition of the International Standardization Committee is "to protect computer hardware, software and data from being destroyed, changed or exposed due to accidents or malicious reasons for the technical and management safety of data processing systems."
The definition of Computer Management and Supervision Department of China Ministry of Public Security is "Computer security refers to the security of computer assets, that is, computer information system resources and information resources are not threatened and endangered by natural and man-made harmful factors."
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.