Alleged members of the loosely-knit Anonymous hacktivist group rounded up in 12 cities, including Ankara and Istanbul. Comes days after similar arrests of Anonymous suspects in Spain. Attackers brought down Turkish government websites in protest against plans to introduce internet filtering. The sites were brought down by a distributed denial-of-service (DDoS) attack, with different computers around the world being deployed to bombard the sites with traffic using the LOIC attack tool. LOIC doesnt do a very good job of covering your tracks making it potentially easy for computer crime authorities to track those behind the attacks.”]
Source: https://nakedsecurity.sophos.com/2011/06/13/anonymous-turkey/