Application-layer distributed denial of service (DDoS) attacks are difficult to detect because they closely resemble legitimate traffic. HTTP request floods are now among the most common vectors targeting web applications, using valid-looking requests that blend in with normal user activity. In June 2025, AWS launched the AWS WAF Anti-DDoS …

Over the first half of this year, AWS WAF introduced new application-layer protections to address the growing trend of short-lived, high-throughput Layer 7 (L7) distributed denial of service (DDoS) attacks. These protections are provided through the AWS WAF Anti-DDoS AWS Managed Rules (Anti-DDoS AMR) rule group. While the default …

A newly discovered network botnet comprising an estimated 30,000 webcams and video recorders—with the largest concentration in the US—has been delivering what is likely to be the biggest denial-of-service attack ever seen, a security researcher inside Nokia said. The botnet, tracked under the name Eleven11bot, first …