In this research paper we will talk about cyber security awareness. What is cyber security and why we need awareness of cyber security. Today we all are using internet and sharing our data and information on internet so it can be theft or steal so we need to have its security by all manner. We will also cover market of cyber security. We will also know that what are threats that we will face on internet. We will also talk on why awareness of cyber security is required. Why it is needed, and what benefits we will get after knowing it. This whole research paper is based on awareness of security of our data on internet. We will also talk how to get awareness of cyber security. And we will discuss what information of ours may be stolen via internet.