What are the ways to leak inside the enterprise? How to prevent it?

In the internal leakage events of enterprises, the main ways of leakage are computer peripheral media and network channels. Peripheral media mainly include storage media (mobile hard disk, USB flash drive, flash card, etc.). ) and transmission media (fax, printing, CD-ROM drive, etc. ). The network channels mainly include QQ, WeChat and other chat software transmission, as well as email delivery and online uploading. In fact, the prevention of leakage should be solved from the source, not blocking all leakage channels. Because of the leak route in 1000, you blocked 999 kinds. As long as there is one leak, it will fall short. You can try the encryption software that many enterprises are using now. Encrypt the file itself, don't worry about how the file is leaked, because others can't open the encrypted file. There are many encryption software on the market now, such as the red line anti-leakage system, which is a relatively simple, safe and reliable encryption software.