Internet reach has increased significantly across nations in last few years and most of the institutions are extensively reliable on computer networks for electronic mails to payment gateways. But, the scenario we live in today has become more and more connected, sophisticated and risk-prone to our network-delivered society. Nevertheless, it remains critical for enterprises to exploit the full potential of available technologies such as mobile computing, smart computing and cloud computing. The book highlights the various concerns associated to cyber security in banking industry as whole, viz., how an attack may be operated and offered measures to secure the network and information technology resources.