What are the types of information network security threats?

External threats include cyber attacks, computer viruses, information warfare, information network terror, the use of computers to commit theft, fraud and other illegal and criminal activities.

Internal threats include malicious destruction by insiders, internal and external collusion, abuse of power by managers, improper operation by senior managers, weak safety awareness, negligence of internal management, defects in software and hardware, and threats brought by natural disasters such as lightning, fire, flood and earthquake.

Information content security threats include obscenity, pornography, gambling, harmful information, spam and other threats.

The threats caused by the fragility of the information network itself include unsafe factors such as information being easily tampered with, forged, destroyed, stolen and leaked in the process of input, processing, transmission, storage and output; There are some unsafe factors in the operating system, database and communication protocol of the information network itself, such as security loopholes, hidden channels and back doors.

Other threats include, for example, the loss of a large amount of information caused by the damage of high-density storage on the disk, the leakage of residual information in the storage medium, and the information leakage caused by radiated electromagnetic waves generated when computer equipment works.