This is the NetSec 2020 Youtube Channel Video. Learning and Sharing all kinds of Cyber Security and Information Technology Knowledge - 海内存知己，天涯若比邻 (http://51sec.org) ==================================================================== If you found this video has some useful information, please give me a thumb up and subscribe me to get more updates: https://www.youtube.com/c/Netsec?sub_confirmation=1