What are the security groups facing the computer equipment and operating environment

1, first of all, the security of the entity: entity security includes environmental security, equipment security and media security, it is used to ensure the security of the hardware and software itself.

2, second the security of the operating environment: operational security including risk analysis, audit trail, backup and recovery and emergency response, it is used to ensure that the computer can continue to work in a good environment.

3, and finally the security of information: information security includes operating system security, database security, network security, anti-virus, access control, plus guest, authentication, which is used to ensure that information will not be illegal to read, modify and leakage, the use of advanced and reliable security technology can reduce the vulnerability of the computer information system, the security technology is the foundation of the security of the computer information system, it must be vigorously develop