Three vulnerabilities were disclosed as Cache Poisoning Denial of Service attacks in a paper written by Hoai Viet Nguyen, Luigi Lo Iacono, and Hannes Federrath of TH Köln - University of Applied Sciences. These attacks are similar to the cache poisoning attacks presented last year at DEFCON....
October 24, 2019 1:00PM
Who DDoS'd Austin?
Magic Transit DDoS Attacks Texas AustinIt was a scorching Monday on July 22 as temperatures soared above 37°C (99°F) in Austin, TX, the live music capital of the world. Only hours earlier, the last crowds dispersed from the historic East 6th Street entertainment district....
June 13, 2019 1:00PM
Protecting Project Galileo websites from HTTP attacks
Project Galileo Firewall DDoS Attacks SecurityYesterday, we celebrated the fifth anniversary of Project Galileo. More than 550 websites are part of this program, and they have something in common: each and every one of them has been subject to attacks in the last month....
March 20, 2019 1:00PM
Preventing Request Loops Using CDN-Loop
Request Loops Attacks WAF Security ReliabilityHTTP requests typically originate with a client, and end at a web server that processes the request and returns some response. Such requests may pass through multiple proxies before they arrive at the requested resource....
February 20, 2019 3:14PM
Stop the Bots: Practical Lessons in Machine Learning
Attacks SecurityBot-powered credential stuffing is a scourge on the modern Internet. These attacks attempt to log into and take over a user’s account by assaulting password forms with a barrage of dictionary words and previously stolen account credentials....
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November 28, 2018 7:59PM
L4Drop: XDP DDoS Mitigations
Efficient packet dropping is a key part of Cloudflare’s distributed denial of service (DDoS) attack mitigations. In this post, we introduce a new tool in our packet dropping arsenal: L4Drop....
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