The aim of this thesis is to analyze in an extensive way the legal protection of images in global networks (Internet, WWW) to raise awareness of the diversity of legal issues connected with an image. Global networks with their different services (such as online journalism or social networks) are very important parts of our world today. Furthermore, it is possible to upload images on the web so that everyone with internet access can download them. Firstly, this thesis is focused on basics of copy right and gives a definition of different forms of images. Secondly, the creators? exploitation rights are described. At this point, the thesis also provides a copyright viewing of thumbnails. Afterwards, the focus lies on the personal right aspects of an image. Therefore, it is important to inspect different laws (Copyright Act, Civil Code, Data Protection Act, Media Law). After clarification of the basis for a claim an overview of the relevant civil and criminal claims is given. Finally, the aim of this diploma thesis is to provide a brief insight into law enforcement.