Internet has changed human life. The world is closer than never before as with a single click, anyone can access the required information across the entire globe. It won’t be wrong to say that the 21^st century belongs to internet. Since computers have been ruling human lives through every aspect of life, use of internet has not only brought humans closer to each other but it is said that internet has also broadened human life horizon. More & more people are starting use of internet in their day to day lives. The essence of internet is the network connectivity of computers spread over a distance. However, sharing of information, data transfer carries risk. Unauthorized access, loss of data may result into failure of network to protect the secured information. Network security plays big role as shield to protect the data while transfer over internet, computer network. [Read more...]