Attacking and defending information in the cyber space is the key concept of cyber war fare. The dimensions of attack are now multi fold spreading form personal information to controlling large societal infrastructure. The roles and responsibilities lie across many boundaries with many undefined governance and delegation to execute actions in critical time frames. All systems business and execution are at risk in the future cyber war fare space, OT, SCADA systems, all co9nnected devices, business critical IP networks, controlling electricity, water, telecommunications, transportation and environmental protection are under threat of being hijacked, controlled and exploited for dominance and financial gains. The talk will describe some of the method that could be used and the potential damages it could cause and options to protect these. It will focus on some of the defence in depth options available to combat these threats.