Low Orbit Ion Cannon (LOIC) is an open source network stress testing and denial-of-service attack application. written in C#.LOIC performs a denial-of-service (DoS) attack (or when used by multiple individuals, a DDoS attack) on a target site by flooding the server with TCP packets or UDP packets and with the intention of disrupting the service of a particular host.LOIC is an application developed by 4Chan-affiliated hackers designed to—when used en masses by thousands of anonymous users—launch
Distributed Denial of Service (DDoS) attacks on websites.People have used LOIC to join voluntary botnets.
application...The idea behind LOIC is that it can allow you to participate in attacks even if you've no clue how to hack. LOIC available for Windows, Mac, and Linux.punch in the target information like a URL or an IP address and zap.