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How to ensure the security of information

Source: Shangpin China | Type: website encyclopedia | Time: 2015-06-15
The 21st century is the information age, and information has become an important strategic resource. Information acquisition, processing and security capabilities have become an important part of a country's overall national strength.

1. Basic requirements of information security

The essence of information security is to protect Website construction outsourcing Information resources are protected from various threats, interference and destruction, that is, to ensure the security of information.

Information security mainly includes information equipment security, data security, content security and behavior security. Among them, the security of information system hardware structure and the security of operating system software are the foundation of information system security, while password, network security and other technologies are key technologies. The connotation of information security is also constantly enriched in the development. Currently recognized information security attributes include:

(1) Reliability: The process and result of information system operation can be trusted.
(2) Usability: When emergencies (failures, attacks, etc.) occur, users can still get and use the information system data, and the information system services can also maintain operation.
(3) Controllability: authentication, authorization and monitoring management of information system.
(4) Secrecy: Data can only be accessed and obtained with the authorization of the authorized party.
(5) Integrity: It can ensure that the data transmitted, received and stored are complete and unmodified.
(6) Non repudiation: ensure that the information doer cannot forge or deny his/her behavior.
(7) Validity: The information content itself is legal, in line with the general public order and good customs of the society, without reactionary, pornographic and other content.
(8) Predictability: The behavior of an entity always achieves the expected goal in the expected way.

2. Security threats

With the rapid increase of information exchange, more and more attention has been paid to the harm caused by security threats. Therefore, the demand for information confidentiality has rapidly expanded from military, political and diplomatic fields to civil and commercial fields. The so-called security threat refers to the harm caused by a person, thing or event to the confidentiality, integrity, availability or legitimacy of a resource. An attack is the specific realization of the threat. Security threats are mainly divided into two categories: intentional (such as hacker penetration) and accidental (such as information sent to the wrong address). Typical security threats are shown in Table 2-1.
Typical security threats

3. Information security policy

Information security policy refers to the rules that must be followed to ensure a certain level of security protection. To realize information security, we need not only advanced technology, but also strict security management, legal constraints and security education.

(1) The document encryption software can intelligently identify the confidential data run by the computer, and automatically force all confidential data to be encrypted without human participation.

(2) Advanced information security technology is the fundamental guarantee of network security. Users conduct risk assessment on the threats they face, determine the types of security services they need, select the corresponding security mechanisms, and then integrate advanced security technologies to form a comprehensive security system.

(3) Strict security management. Organizations using computer networks should establish corresponding network security management methods, strengthen internal management, establish appropriate network security management systems, strengthen user management and authorization management, establish security audit and tracking systems, and improve overall network security awareness.

(4) We should formulate strict laws and regulations to deter illegal people from acting rashly.

(5) Secure operating system. It provides a platform for safe operation of key servers in the system.
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