The UDP flood or UDP flood is one of the so-called volumetric DoS attacks : like the ping flood , its principle is based on saturating the target system with a massive flow of incoming data. UDP flood , therefore, is different from ping of death, which takes advantage of a memory error to render the target system unusable, or SYN flood, which locks server resources. All the mentioned DoS attacks have a common goal: to crash the victim's system to prevent the victim from making legitimate use of it.
The UDP flood attack became known to the general public due to several spectacular piracy attacks against international organizations . In addition to the Church of Scientology, various media and financial sector companies were affected. Under the flood of incoming data that the attack brought, many of the affected websites and services crashed and were sometimes unavailable to their users for hours. To perpetrate these attacks, the powerful Low Orbit Ion Cannon (LOIC) tool, designed to trigger UDP floods, was used ..