D. Dos (DDos, Distributed Denial of Service)

■ concepts

Of malicious traffic attacks distributed denial-of-service (DDos, Distributed Denial of Service) to send massive amounts of data at once, to a particular site by overloading hack that prevents normal service.

* DDoS hacking case and interfere with service to target specific sites and companies who extort money from

■ how to hack

DDos spreading viral program that continued access to the targeted site, upon which the PC is infected with this program to the target site repeatedly connected

Remotely control the infected PC at once concentrated on the specific site to access the site connected disability causes

* February 2000 related sites such as Amazon and eBay and e-commerce site failure occurs while under attack became known to the general public starting

■ Major Events

The world, by July 2001, the site of the White House, the United States via the Windows 2000 and Windows NT server DDos paralyzing virus 'Code Red II' appeared nervous Sikkim

In a fortnight was found as a variant of the 'Code Red' worm virus infection worldwide system of 300,000 non-domestic systems (at least 3) infection manyeodae

Related trends,

March 4, 2011, 10:00 a.m. in observance of the 40 Internet companies, and financial institutions, state agencies, such as the Cheong Wa Dae and the Ministry of Foreign Affairs and Trade on the Web site for DDoS (DDoS) attack occurs, KCC cost cyber crisis 'caution' alarm issued

Prior to July 2009, even simultaneous DDoS (DDoS) attack from Cheong Wa Dae and the National Assembly, some banks and media companies, portals, sites, 25 for each of the major areas of the Internet Site, the connection fails,