Tag Archives: DDoS (Distributed Denial of Service)

NTP Amplification DDoS Attack on CloudFlare

DDoS

CloudFlare disclosed the information for the largest DDoS attack that exploited vulnerability in NTP protocol. The report estimates the DDoS attack to be 400 Gb/s. This is a new threat that target network time protocol on port 123 that is

From a Hacktivism against Ben Ali to a cyber war between political parties

operation-tunisia

By Haythem El MIR On January 2, 2011 around 22h, the group of activists Anonymous launched one of the most massive and severe attacks against Tunisian cyberspace, protesting against political practices that plague the freedom of Internet access and denouncing

Preventing Layer 7 DDoS Attack

WikiLeaks, th3j35t3r, LOIC are words that have been well known in the last period by the infosec community. These words get me directly thinking about the Application‐level DDoS attacks on websites such as Twitter, VISA, and MasterCard. Usually the attack

Two New HTTP POST Attack Tools Released

During 2010 OWASP Application Security Conference at Washington, researchers demonstrated how it is possible to conduct a new form of distributed denial of service “that floods the web server with a slow HTTP traffic. Currently there is two free utility

IRC-Based Botnets Almost Vanishing!

Botnet Number that is controlled over web servers are five times the number of botnets controlled by IRC-channels this is according to a new research conducted by Team Cymru Security experts. The IRC botnet has decreased significantly due to some

DDoS Attack Target DNS Made Easy

DNS Made Easy have restored there online services after a distributed denial of service attacks on last Saturday. The reported size of DDoS is about 50 Gb/sec. Identity and attackers motives have not been clarified yet but specialists assume that

Guest Blog: Defending against DDoS

There appears to be some activity in the world of DDoS Defense. DDoS (Distributed Denial of Service) attacks have taken many forms over the years. From the early Ping Floods and Smurf attacks to much more sophisticated attacks. As an