Unsettling signs of al Qaeda's aims and skills in cyberspace have led some government experts to conclude that terrorists are at the threshold of using the Internet as a direct instrument of bloodshed.
Since arriving in Washington in January 2015, I have pushed for a strategic framework that clearly articulates how we'll tackle threats in cyberspace.
A domain name is your address, your address on the Internet. We all have a physical address; we're all going to need an address in cyberspace. They're becoming increasingly important. I believe we'll get to the point where when you're born, you'll be issued a domain name.
As cyberspace matures into a totally immersive experience, I'm betting it will turn out to be fully odor-enabled.
We take all potential threats to public and private sector systems seriously and will continue to investigate and hold accountable those who pose a threat in cyberspace.
I removed 'cyberspace' from my vernacular. The idea, which I grew up with, of going into a place separate from the real world, is something my students just don't recognise.
With digital attacks becoming rampant, the computer nerds who work for the good guys to thwart such incursions have become the new Navy SEALs - elite commandos who can carry out sophisticated operations on the battlefield of cyberspace.
Like gods, we have created a new universe called cyberspace that contains great good and ominous evil. We do not know yet if this new dimension will produce more monsters than marvels, but it is too late to go back.