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>> Rear Adm.
Elizabeth Hight: The whole host of unknown unknowns, whether it be very well-meaning
but poorly educated information security officers or those who believe
that the current host of products will keep their systems well-defended or those
who have found unique and still undiscovered exploits to get
into systems whether they be public, private or personal systems.
All of those things are still unknown unknowns to most of us.
>> Marcus Sachs: Unfortunately, if you know what bad is out there
and what good is, you can sleep well.
But what does bother a lot of people is that one lucky person.
And this is one of the problems in cyberspace, is that while there are many things
that are wrong and many things that are good, somebody can make a mistake somewhere
that we don't know about, much to like what Betsy says, the things that are unknown.
So somebody can get lucky.
An unknown hacker, an unknown terrorist, an unknown criminal could get very lucky
and do something very, very bad that's unpredictable
and we hear about it the next morning.
So that would be the type of thing that might keep professionals awake
at night is that unknown, lucky person.
>> Bill Varner: My real fear and what I sometimes think
about at night is the consequences of any kind
of a successful cyber attack anywhere in our critical infrastructure.
I think we had a little taste last summer of what that might be like with the storms
that came through the Washington area.
And, in my case, I was without power for five days and I was able to compensate for that
because I could drive down the road and find power to charge my phones
and laptops and everything like that.
But what would we have done had the power not come on in five days?
What if it didn't come on for five weeks?
You know, I think our behavior of society would change at that point
and it would be a much different place to live in.
So, those are the issues that really keep me awake at night.
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