DNSSEC (The Domain Name System Security Extensions) workshop, June 7-9, 2013 - Bangkok - Thailand. This DNSSEC workshop was organised as part of the 25th anniversary celebrations of the .th domain. Held in Bangkok and taught by Olaf Kolkman and Andy Linton, it was well attended with participants from a wide range of industries such as banking, education, government and telecommunications. A number of participants indicated that the workshop had helped them with their plans to deploy DNSSEC in their organisation.