represent just a few of the basic services that we continually rely on day after day, services that enable us to heat or cool our homes, talk to one another over the telephone, travel to work, and even have clean water to drink.
With our increasing dependence upon critical infrastructure comes an unavoidable expansion in complexity as these sectors seek to build upon their already stretched capacity to provide new services and products to a growing population Information Technology (IT) is only a small part of our mission critical industries.

Communication and energy are linked together with IT, so we talk about ICT (Information – Communication Technology). Without energy, no computer is running.