Importance of Cyber Security

military, organizations, financial institutions, universities and other businesses collect, process and store a large amount of confidential information and data on computers and transmit that data over networks to other computers. With the continuous rapid growth of volume and sophistication of cyber attacks, quick attempts are required to secure sensitive business and personal information, as well as to protect national security. The paper details about the nature of cyberspace and shows how the internet is unsecure to transmit the confidential and financial information. We demonstrate that hacking is now common and harmful for global economy and security and presented the various methods of cyber attacks in India and worldwide. Keywordssecurity, Cyberspace, Cybercrime.