Explore the intricacies of DNS-based DDoS attacks and their growing impact on cybersecurity in this 43-minute conference talk from BSides Columbus 2019. Delve into various DDoS types, including TCP SYN attacks and DNS botnets, while examining the motivations behind these attacks. Learn about the role of open DNS resolvers, the legal implications of DDoS activities, and emerging trends in DNS-based threats. Gain insights into potential countermeasures and understand why everyone should be concerned about this evolving cybersecurity challenge.