The problem of Terrorism has been a dilemma for policy makers and law enforcement agencies around the World. The methods and tactics used by Terrorists, for instance, embedding religious teaching, conflict and identity into influencing potential terrorists to join the cause, its method of recruiting, and its unconventional way of warfare has become a breakthrough in how the policy makers, government agencies, and law enforcement agencies should address the problem to keep its nation and society secure from terrorist attack. As Thailand will become a part of ASEAN member states, there will be opportunities for Terrorist organizations to infiltrate the country to destabilize the national security and its sovereignty, therefore, as a police officer of the Royal Thai Police, it is my duty and responsibility to protect the civilians from becoming the casualties from potential Terrorist attack. The CT course will provide me with insight and counter-terrorism policy that has been implemented into addressing the Terrorist's mean of attacking as well as to take into account of any internal and external factor that could be used as an advantage for Terrorism.