A new revolution has begun in counterterrorism—the Artificial Intelligence (AI) revolution. The AI revolution has had a significant impact on many areas of security and intelligence. The use of AI and big data in general, and in the field of intelligence and counterterrorism in particular, has led to intense debates between supporters of the continuation and expansion of the use of this technology and those who oppose it. The traditional delicate balance between effectiveness in the fight against terrorism and the liberal democratic values of society becomes even more crucial when counterterrorism engages in AI and big data technology