Thailand is engaged in selective filtering in the social, political, and Internet tools areas, and no evidence of filtering was found in the conflict/security area by the OpenNet Initiative in November 2011.
Thailand is on Reporters Without Borders list of countries Under Surveillance in 2011.
Thailand is listed as "Partly Free" in the Freedom on the Net 2013 report by Freedom House, which cites substantial political censorship and the arrest of bloggers and other online users.
Internet censorship is conducted by the Royal Thai Police, the Communications Authority of Thailand, and the Ministry of Information and Communication Technology (MICT).
Prior to the September 2006 military coup d'état most Internet censorship in Thailand was focused on blocking pornographic websites. The following years have seen a constant stream of sometimes violent protests, regional unrest, emergency decrees, a new cybercrimes law, and an updated Internal Security Act. And year by year Internet censorship has grown, with its focus shifting to lèse majesté, national security, and political issues.