Mr Miliband stressed that figures revealed by the Tories that the UK has only eight days worth of gas storage left ignored the role of imports and the North Sea.
It was only last September too that the Tories labelled the UK the sick man of cybersecurity and demanded an overhaul of a system that had barely had time to get into gear.
Labour has urged its activists not to be complacent about an election victory and says the Tories would take the UK back to the "failed policies of the past".