Service Denied! Understanding How Regex DoS Attacks Work - Lecture

Explore the intricacies of regex denial of service (DoS) attacks and their impact on Rails applications in this 31-minute conference talk from RailsConf 2022. Delve into the mechanics of how specially formatted strings submitted through forms or API requests can potentially knock your application offline. Gain insight into the inner workings of the CRuby regex engine and understand its behavior when matching against strings. Learn the fundamentals of regular expressions to comprehend the nature of these attacks, their CPU-intensive effects, and discover effective strategies to protect your applications from such vulnerabilities.