As we all know that this is the era where most of the things are done usually over the internet starting from online dealing to the online transaction. Since the web is considered as worldwide stage, anyone can access the resources of the internet from anywhere. The internet technology has been using by the few people for criminal activities like unauthorized access to other's network, scams etc. These criminal activities or the offense/crime related to the internet is termed as cyber crime. In order to stop or to punish the cyber criminals the term "Cyber Law" was introduced. We can define cyber law as it is the part of the legal systems that deals with the Internet, cyberspace, and with the legal issues. It covers a broad area, encompassing many subtopics as well as freedom of expressions, access to and utilization of the Internet, and online security or online privacy. Generically, it is alluded as the law of the web.The principle target of our my book is to spread the knowledge of the crimes or offences that take place through the internet or the cyberspace, along with the laws that are imposed against those crimes and criminals. I am additionally trying to focus on the safety in cyberspace.