The importance of network information security:
Today's society, information security is more and more important because it has become a high weight factor affecting national security,
It is directly related to the country's financial environment, ideology, political atmosphere and so on, the information security problem is not a worry, the security of the country and social stability will also have a reliable guarantee.
Information Expansion:
Technical Methods to Enhance Information Security
(1) Encryption in the Information Circulation Process: Usually, there are no security measures for information in the circulation process, and it is easy to be stolen without any security. Through the use of encryption and other technologies, greatly reducing the chance of information theft in circulation.
For example, secure lines are used in wired communications; laser communications and other technologies are used in wireless communications, which are more effective anti-theft measures.
(2) electromagnetic radiation control technology in the computer: due to the presence of electromagnetic radiation, the information on the computer, the use of relevant specialized equipment in more distant places.
After analyzing the technology can be directly received, hackers with high technology to steal some encrypted information content through the analysis of electromagnetic radiation.
(3) The setting of firewall: firewall is a form of software protection. Firewalls have their own protection regulations to detect the sources and ways of communication data, and will automatically defend against dangerous websites or information, and their defense effect is still good.
But in terms of the way it protects, it is a more passive form of defense that only works if there is an attack outside. Network Security