Network security knowledge handwritten newspaper content famous quotes and aphorisms

What is network security? Network security means that the hardware, software and data in the network system are protected from damage, alteration, or leakage due to accidental or malicious reasons. The system operates continuously, reliably and normally, and network services are not interrupted. Network security is essentially information security on the Internet. Broadly speaking, all related technologies and theories involving the confidentiality, integrity, availability, authenticity and controllability of information on the network are the research fields of network security.

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Content information of network security handwritten reports: What does network security include?

Network security arises due to different environments and applications of different types. There are mainly the following categories:

1. System security

Operating system security means ensuring the security of information processing and transmission systems. It focuses on keeping the system functioning properly. Avoid damage and loss to messages stored, processed and transmitted by the system due to system collapse and damage. Avoid information leakage due to electromagnetic leakage, interfering with others or being interfered by others.

2. Network security

The security of system information on the network. Including user password authentication, user access rights control, data access rights and method control, and security audit. Safety issues follow. Computer virus prevention, data encryption, etc.

3. Information dissemination security

The security of information dissemination on the Internet refers to the safety of the consequences of information dissemination, including information filtering, etc. It focuses on preventing and controlling the consequences of the dissemination of illegal and harmful information, and avoiding the loss of control of information freely transmitted on public networks.

4. Information content security

The security of information content on the Internet. It focuses on protecting the confidentiality, authenticity and integrity of information. Prevent attackers from taking advantage of system security leaks to conduct eavesdropping, impersonation, fraud and other behaviors that are harmful to legitimate users. Its essence is to protect the interests and privacy of users.