The smart cities and the autonomous cars-to-come will all have to be secure from cyber attack, from private or state actors.
He also revealed he was taking executive steps to help America defend itself from cyber-attacks from abroad and urged Congress to take legislative action for the same purpose.
Cyber threats from hostile foreign states and from terrorist organisations.
The Heartbleed bug has turned cyber criminals from attackers into victims as researchers use it to grab material from chatrooms where they trade data.
The first is a cyber attack from the outside.
"Cyber" is from the Greek word for navigator.
"We've had trouble with cyber intrusions from Russia in the past," he said.
Gawker and Amazon have become the latest to experience problems after being threatened with cyber attacks from Anonymous.
As some larger enterprises are beginning to understand, smaller organisations need to look at the challenge of a cyber attack from the attacker's point of view.
Months of cyber bullying from her peers followed, culminating in her suicide.
