Campus Network Security and Prevention

Campus Network Security and Prevention

At present, campus networks have been widely used in colleges and universities, followed by security problems and threats in network formation and use, this article analyzes various factors that affect campus network security, and puts forward some ideas and solutions from network security technology and network security management.
With the arrival of the information age, in order to meet the needs of educational informatization and modernization, campus networks have also developed by leaps and bounds, such as educational research, office automation, and student learning in colleges and universities, various electronic resources are increasingly dependent on the Internet.
However, hacker attacks, viruses, and resource theft from networks often disrupt the normal operation of campus networks. Therefore, the security and prevention of campus networks have become an important issue in the establishment and use of campus networks. The main security problems in campus networks are increasing rapidly with the deepening of campus network applications, and various security problems are becoming increasingly prominent. At present, there are several common security risks on campus networks.
Hardware security of campus networks mainly includes irresistible factors (such as earthquakes, fires, and lightning) and human factors (such as theft and malicious damage ). Human Factors, due to their wide range, high probability, and difficult detection, are the key targets of hardware security defense.
Computer viruses damage campus networks as we all know, computer viruses are highly destructive, widely spread, and fast-propagation. Especially after schools access the Internet, they are widely used by users, the levels are uneven. Trojan, script, and network worms are often easily transmitted and exposed over the campus LAN. As a result, the client system cannot run normally and the file system is damaged, it even causes account and password theft, low network efficiency, and network congestion and paralysis.
Hacker attacks on campus networks any computer connected to the Internet is very vulnerable to hacker attacks. While enjoying the convenience brought by the campus network, the campus network is also facing the risk of being attacked. At present, in colleges and universities, hacker attacks mainly exist in the following aspects: attacks for personal interests. On campus, for personal benefit, people often intrude into the school database, steal papers and electronic handouts, and tamper with their own stains in the library management system or file records; In order to retaliate against attacks by the school.
Some teachers and students are disciplined by the school. By attacking the campus network, the campus office system and teaching system are damaged, which seriously disrupts the school's education and teaching activities, some people spread false notifications and announcements on campus servers. Students attack to show their abilities. On the Internet, there are many attack tools, which are easy to download and easy to use.
Therefore, in order to show themselves, a technical student is very likely to cause a huge attack on the campus network system; 4) intentional or unintentional attacks, which are mainly caused by client poisoning, viruses infect other clients and servers on campus networks, causing network paralysis.
The theft and misuse of campus network resources the access to campus networks is mainly to facilitate education, teaching, research, and student learning. However, resource theft and misuse are also common in campus networks. Theft is mainly to steal network resources, including illegal access to the network, theft of other people's accounts for resource download, abuse is mainly engaged in work or study-related matters, it mainly includes watching online videos, playing online games, Using BT and other software for downloads, and even accessing pornographic, violent, and reactionary websites. Resource theft and misuse often lead to problems such as network bandwidth occupation, traffic congestion, and slow Internet access speed. Moreover, the bad information contents greatly impair the physical and mental health of young students.
Security issues in campus network management as colleges and universities become increasingly dependent on campus networks, computers accessing campus networks are also increasing, however, campus network construction usually involves a small investment in network security software and hardware, and network management fails to keep up with the pace and there is no perfect management solution, serious consequences such as virus spreading, information loss, data damage, network attacks, and system paralysis.
The campus network security prevention measures aim at the security problems in the campus network. We take the following preventive measures to improve the security factor of the campus network.
Firewall Technology and anti-virus technology firewall refers to a combination of software or hardware devices, which are in the internal and external spaces and restrict external users to access and manage internal users to access external networks. The rational use of the firewall can build a security barrier between the Intranet and the Internet, effectively isolating the Intranet from the external network, which is conducive to improving the network's ability to resist hacker attacks and system security, at the same time, firewall configuration is one of the most basic, economic, and effective security measures to achieve network security. It is widely used in campus network security construction.
Computer viruses are one of the most common threats on campus networks. Therefore, computer viruses must be taken seriously and a complete defense system must be established. The first is to select a suitable virus protection software. The anti-virus software should not only be updated in a timely manner, but also be correct. The selection of anti-virus software can be based on the size of the campus, select an appropriate anti-virus software for your needs. Second, network administrators should make good security policies for the system. For example, they should use vlan technology to implement mutual access control and reduce the spread of viruses in the network. Once again, individual users should be aware of the virus, promptly update antivirus software, regularly scan and kill viruses on their computers, fix security vulnerabilities in the system, and do not browse bad websites or insecure websites, do not download or use insecure software at will to maintain a good habit of using computers.
Authentication Technology and data encryption technology. Identity Authentication is a common network security technology. It is used to identify the contact to determine whether the contact is a legal user authorized to ensure communication security. Common authentication methods include Password Authentication and digital signature.
Data Encryption technology uses encryption algorithms to encrypt the plaintext into the ciphertext before transmission. Even if the ciphertext is intercepted by hackers, it is difficult to obtain the plaintext because the ciphertext is decoded only by the corresponding decoding technology, only in plain text can be restored. If hackers do not have the corresponding decoding technology, the ciphertext data is useless.
Data backup and data recovery data backup is mainly used to prevent important data loss in storage devices such as hard disks, flash disks, and CDs. Data Recovery allows you to restore data in the shortest time after a disaster occurs. Data loss on campus networks mainly involves virus damage, malicious hacker damage, accidental deletion by individuals or administrators, and irresistible external causes such as earthquakes, fires, and floods.
Therefore, management personnel and individuals must back up data so that data can be quickly restored after a disaster, without causing major losses, common backups include remote backup, partition backup, and mobile device backup. Formulate feasible network security management systems. Strict management is an important measure of campus network security. In fact, many schools neglect this management and do not pay enough attention to network security protection.
To ensure the safe and effective operation of the entire network, it is necessary to develop a set of feasible security management systems that meet the actual security needs of the network. For example, strengthen the sense of responsibility and professionalism of administrators, improve the professional knowledge and skills of administrators, and enhance the awareness of network users, educate network users on network security laws and regulations and popularize information security knowledge. Once discovered, illegal access and hacker attacks should be dealt with seriously.

At present, campus networks have been widely used in colleges and universities, followed by security problems and threats in network formation and use, this article analyzes various factors that affect campus network security, and puts forward some ideas and solutions from network security technology and network security management.
With the arrival of the information age, in order to meet the needs of educational informatization and modernization, campus networks have also developed by leaps and bounds, such as educational research, office automation, and student learning in colleges and universities, various electronic resources are increasingly dependent on the Internet.
However, hacker attacks, viruses, and resource theft from networks often disrupt the normal operation of campus networks. Therefore, the security and prevention of campus networks have become an important issue in the establishment and use of campus networks. The main security problems in campus networks are increasing rapidly with the deepening of campus network applications, and various security problems are becoming increasingly prominent. At present, there are several common security risks on campus networks.
Hardware security of campus networks mainly includes irresistible factors (such as earthquakes, fires, and lightning) and human factors (such as theft and malicious damage ). Human Factors, due to their wide range, high probability, and difficult detection, are the key targets of hardware security defense.
Computer viruses damage campus networks as we all know, computer viruses are highly destructive, widely spread, and fast-propagation. Especially after schools access the Internet, they are widely used by users, the levels are uneven. Trojan, script, and network worms are often easily transmitted and exposed over the campus LAN. As a result, the client system cannot run normally and the file system is damaged, it even causes account and password theft, low network efficiency, and network congestion and paralysis.
Hacker attacks on campus networks any computer connected to the Internet is very vulnerable to hacker attacks. While enjoying the convenience brought by the campus network, the campus network is also facing the risk of being attacked. At present, in colleges and universities, hacker attacks mainly exist in the following aspects: attacks for personal interests. On campus, for personal benefit, people often intrude into the school database, steal papers and electronic handouts, and tamper with their own stains in the library management system or file records. In order to retaliate against school attacks