Turkguvenligi also known by the name "TG Hacker' hacked some very high profile sites using DNS Hijacking. Sites included, Theregister.co.uk , Vodafone, Telegraph, Acer, National Geographic, UPS. He diverted visitors to a page declaring it was “World Hackers Day”. TurkGuvenligi has claimed credit for dozens of similar defacement attacks since late 2008. The targets are always very large domain names and the motive as stated by the TG is "fun." Regardless TG, has defaced some of the Internets largest domains.