Turkish Penal Code numbered 5237 on cyber crimes

At the present time, the technology has progressed a lot. This progress has shwn its impacts on computing and communnication leading much further and comprehensive consequences in the historical process. Especially, the beginning of vast usage of the Internet has pioneered new paths in our relations in business, social and private life in the areas from education to health, from trade, to industry, from public sector to private sectors. İt is clearly known that starting to use these progresses provided a great benefit to society as well as it has caused certain problems. The biggest of these problems is that committing crimes has been easier. People have tended to make use of the technology while committing crimes. Hereby, the term "Cyber Crimes" has emerged after the abuse of information system which was submitted to the service of humanity as a part of technological developments. Alongside of this type of crime, other types of crimes have started to be commited with the use of İnformation Systems. In our study, Cyber Crimes have been examined which was orginezed by the Turkish Penal Code numbered 5237. I would like to thank to my dear advisor, Prof. Dr. Doğan SOSYASLAN who supervised my studies in my MA. Thesis; supported and helped in my research; guided and contributed to me with his valuable ideas and suggestions. Keywords: Computer, informatics, crime, penalty, data, private data, communications