The Chinese government updated its censorship tool, the Great Firewall of China, to block HTTPS traffic with the latest version of the Transport Layer Security (TLS) protocol. Researchers offer workarounds to China’s censorship blocking of HTTPS traffic. They demonstrated potential attacks at DEF CON: Safe Mode at DEF Con: Safe mode. Researchers say they have been able to find circumvention techniques that can be used either in apps or software or on the server side to thwart Chinas censorship blocks.”]
Source: https://www.csoonline.com/article/3571799/tls-attacks-and-anti-censorship-hacks.html