The increasing number of Information Security related incidents, organized crimes, intelligent threats deserves much closer attention. It is important to bear in mind that effective security cannot be achieved by relying on technology alone. A tight coordination is required between the people and technology to achieve effective security. Tracking the effects of the Network Society and the Information Revolution on the intelligence agencies of highly developed states will hope to solve the problems of organized crime, intelligent, and terrorist threats. Of course, the analysis of intelligence activities is clearly vital. This study will discuss information security, cryptography, cyber-attacks and cyber threats. Also, study will describe types and forms of intelligence.