The information security system under the network environment is the key to ensure information security, including computer security operating system, various security protocols, security mechanisms (digital signature, message authentication, data encryption, etc. ), and even security systems, such as UniNAC and DLP. As long as there are security loopholes, global security may be threatened.
Information security refers to the protection of information systems (including hardware, software, data, personnel, physical environment and its infrastructure) from being damaged, changed or leaked by accidents or malicious reasons, the system runs continuously and reliably, and the information service is uninterrupted, so as to finally realize business continuity.
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meaning
As a resource, information is of great significance to human beings because of its universality, enjoyment, value-added, treatability and versatility. The essence of information security is to protect the information resources in the information system or information network from all kinds of threats, interference and destruction, that is, to ensure the security of information.
According to the definition of the International Organization for Standardization, the meaning of information security mainly refers to the integrity, availability, confidentiality and reliability of information. Information security is a problem that any country, government, department and industry must attach great importance to, and it is a national security strategy that cannot be ignored. However, for different departments and industries, their requirements and priorities for information security are different.
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