Bringing A Cannon To A Knife Fight

Explore China's Great Cannon (GC), a powerful offensive system complementing the Great Firewall (GFW), in this 52-minute Black Hat conference talk. Delve into the GC's early development, its ability to intercept traffic as a Man-in-the-Middle proxy, and how it weaponizes both Chinese and global users into a massive botnet. Examine live probe requests to differentiate between GC and GFW traffic, and understand the political motivations behind its attacks on sites like Greatfire.org and Github. Learn about potential future developments as HTTPS and DNSSEC become more prevalent, and discover strategies to protect your company's traffic when interacting with Chinese servers or using services like Baidu Ads. Gain insights into the GC's capacity for targeted, covert suppression of perceived threats and prepare yourself for its continued presence in the cybersecurity landscape.