This chapter discusses the cyber security, consumers are genius and overconfident in their security skills and so making themselves vulnerable and inviting cyber criminals to play with them and their loopholes, which has recorded the crimes in result. Among all data we have, 38% fraud is related to debit or credit cards, hacking is 34%, identity theft is 26%, and many more. When someone's identity is stolen, it is called identity theft, and when that information is misused, it is called fraud. Viruses and worms are very popular types of malware, in which the programs are intended to infect computers, replicate, and spread to other computers, Further, it is suggested that there is a need to communicate alterations in the Information Technology Act, so it can be more effective to combat against cybercrimes. Connectivity among all over the world between citizens, businesses, educational institutes, financial institutions, and governments has crossed the cultural and political boundaries.