Hacktivists with a virtual axe to grind got their fair share of the spotlight in 2011, most notably a group called LulzSec that managed to cause problems for organisations ranging from the CIA to Sony, thereby earning them a place in the top 10 influential.
Whitepaper called Hacking Dispositivos iOS.
http://www.nongrat.go.th/images/fbfiles/images/016.jpg defaced by Ashiyane Digital Security Team
http://www.banmor.go.th/images/fbfiles/images/016.jpg defaced by Ashiyane Digital Security Team
http://www.mapplakhao.go.th/images/fbfiles/images/016.jpg defaced by Ashiyane Digital Security Team
http://www.samroiyodhospital.go.th/images/fbfiles//images/016.jpg defaced by Ashiyane Digital Security Team
http://bkl.go.th/gh.html defaced by GHoST61
Ostinato is an open-source, cross-platform packet/traffic generator and analyzer with a friendly GUI.
http://akk.go.th/index2.php defaced by Ashiyane Digital Security Team
http://nma4.obec.go.th/scan_virus.txt defaced by Ashiyane Digital Security Team