What are the main elements of cybersecurity, and what do they mean

Network security means that the hardware, software and data in the network system are protected from damage, alteration and leakage due to accidental or malicious reasons, and the system runs continuously, reliably and normally, and the network service is not interrupted.

The main implantation threats are: Trojan horses, traps.

Trapdoor: The placement of a "feature" within a system or system component that allows a security policy to be violated when a specific input data is provided.

At present, there are several hidden dangers in China's network security, and the factors affecting network security are mainly the following aspects:

Network structure factors

There are three basic network topologies: star, bus, and ring. Before an organization establishes its own intranet, each sector may have built its own local area network and may use a completely different topology.

In the construction of intranets, in order to realize the communication of information between heterogeneous networks, it is often necessary to sacrifice the setting and implementation of some security mechanisms, so as to put forward higher network openness requirements.

Network protocol factors

When building an intranet, users will inevitably protect the existing network infrastructure in order to save money. In addition, in order to survive, network companies have higher and higher requirements for the compatibility of network protocols, so that the protocols of many manufacturers can be interconnected, compatible and communicate with each other. While this brings benefits to users and manufacturers, it also brings security risks.

For example, harmful programs delivered under one protocol can quickly spread throughout the network.

Geographical factors: Since the intranet can be both LAN and WAN (intranet means that it is not a public network, but a private network), the network often spans intercity and even international. The geographical location is complex, and the quality of the communication line is difficult to guarantee, which will cause damage and loss of information in the process of transmission, and also create opportunities for some "hackers".

User factors

Enterprises build their own intranets to speed up the exchange of information and better adapt to market demands. Once established, the scope of users will inevitably expand from employees to customers and people who want to know about the company. The increase in users also poses a threat to the security of the network, as there may be commercial espionage or "hackers" here.

Host factor

When establishing the intranet, the original local area network and single machine are interconnected, and the types of hosts are increased, such as workstations, servers, and even small computers, large and medium-sized computers. Because they use different operating systems and network operating systems, vulnerabilities in one operating system (e.g., some systems have one or several accounts without passwords) can cause a major risk for the entire network.

Unit Security Policy

Practice has proved that 80% of security problems are caused by the network, therefore, the unit should attach great importance to the security of its intranet, and must formulate a set of rules and regulations for security management.

The human factor

The human factor is the weak link in security. It is necessary to carry out necessary security education for users, select people with high professional ethics to be network administrators, and formulate specific measures to improve security awareness.

Miscellaneous

Other factors, such as natural disasters, are also factors that affect cybersecurity.

The constituent elements of the network diagram include processes, events, and routes.

Usability. Shouting Luyan network security mainly includes system security, network security, Zhengyin information dissemination security, information content security, excluding availability, network security is the network system hardware, software and the data in the system are protected, not subject to accidental or malicious reasons and destruction, change, leakage, system continuous, reliable and normal operation, network services are not interrupted. Cybersecurity, by its very nature, is information security on the network.

1. System security.

System security refers to the application of system security engineering during the life cycle of a system.

and system security management methods.

Identify hidden dangers in the system and take effective control measures to minimize the danger so that the system can achieve the best level of safety within the specified performance, time and cost range.

The security of business systems and operating systems is the premise of ensuring business security. In addition to paying attention to the function of the information system, we should also pay attention to the security of the system application. It is not only necessary to use strong passwords to protect the information system, but also to regularly check and upgrade the system to strengthen the two-way protection of the system internally and externally.

There are many factors involved in whether a system is safe or not, including the security awareness of the system developer, operator errors, and regular inspections of the system.

2. Application security.

Application security is about securing applications.

Safety of use process and results. In other words, other security tools or policies are used to eliminate the potential leakage and theft of computing and transmission data during the use of applications or tools.

Applications and systems are inseparable, and applications involve more personal information and important data, whether it is a web application or a mobile application.

Detection work. 3. Physical Security.

In network security, physical security is also a very important part, in addition to the purchase and deployment of equipment, we should also consider whether it is properly stored, whether it is operated and maintained, and whether it is operated properly. Environmental accidents occur from time to time, as for natural disasters.

We can't anticipate it, but we can avoid it. In addition, network equipment.

should be checked and upgraded regularly, and network equipment will also have security risks.

Whether the policy is updated and the environment of the data center should be considered as security issues.

Fourth, management security.

Management is the most important part of security in a network. The division of labor and responsibilities are not clear, and the safety management system is not clear.

Unsound and so on may lead to risks in management security.

When the network is attacked or other security threats are encountered, real-time detection, monitoring, and alarm cannot be performed. At the same time, when an accident occurs, it is impossible to trace the cause, which requires us to record the access activities of the site at multiple levels and detect illegal intrusion in time.

Connotation: Network security refers to the protection of the hardware, soft embedded parts and data in the network system, and will not be damaged, changed or leaked due to accidental or malicious reasons, and the system will run continuously and reliably and normally, and the network service will not be interrupted.

The full scope of Cyber Security includes:

System security: The system here refers to whether the network, hardware, and system have security risks and whether they can be trusted.

Application security: Applications and systems are inseparable, and applications involve information security, and information protection is one of our most important links.

Physical security: we all know that there are a lot of things that need to be paid attention to in the physical part of the network, we often see a lot of lines or some equipment on land or in the air, many of which are related to the network of curved lead rock, these things are very important for the layout, there are many factors that need to be referenced, waterproof, anti-electricity, anti-interference, and these problems need to be considered before the construction of the road. When there is a problem with the chassis or line, it is necessary to quickly repair it and ensure the normal operation of the network, so these also need to be laid out in advance.

Cybersecurity. It means that the hardware, software and data in the network system are protected from damage, alteration and leakage due to accidental or malicious reasons, and the system runs continuously, reliably and normally, and the network service is not interrupted.

Different types of cybersecurity arise due to different environments and applications. The main ones are as follows:

System security. The security of the operation system is to ensure the security of the information processing and transmission system. It focuses on keeping the system up and running.

Avoid damage and loss to the information stored, processed, and transmitted by the system due to system collapse and chain loss. Avoid information leakage, interference or interference by others due to electromagnetic leakage.

The security of the network.

Security of system information on the network. It includes user password authentication, user access permission control, data access permission and method control, and security audit. Safety issues follow. Computer virus prevention, data encryption, etc.

Information dissemination is complete.

The security of information dissemination on the network refers to the security of the consequences of information dissemination, including information filtering. It focuses on the prevention and control of illegal products.

The consequences of the dissemination of harmful information should be avoided from being uncontrollable on the public network.

Information Content Security.

Security of information content on the Internet. It focuses on protecting the confidentiality, authenticity, and integrity of information. Attackers should not take advantage of the security leakage of the system to conduct eavesdropping, impersonation, fraud, and other behaviors that harm legitimate users. Its essence is to protect the interests and privacy of users.