I generally use 'threat intelligence' when I'm talking about a product packaged and sold by a dedicated commercial entity and 'information sharing' as something that happens between security teams at trusted parties without renumeration.

A lot of the people who are hacking on behalf of governments are doing so on a contract basis. And they also do other things. They will hack on behalf of spammers, and will just be hired for a specific job.

I have spent my career building and improving secure, trustworthy systems, and I am very proud to be working on security at Yahoo.

I think... all of the best public cryptographers in the world would agree that you can't really build back doors in crypto. That it's like drilling a hole in the windshield.

Internet entrepreneurs are using technology at every level of their company - from a one-person agency to a small firm, the newest technological advances are interwoven throughout every aspect of Internet-based businesses.

Look, nobody is born with a sociology degree, and no one can understand all perspectives. Nobody's going to get it all from the very start. But the Internet at least allows everyone to hear these perspectives at a much faster rate than if we had to do it without it.

You have to be 100 percent comfortable with yourself and who you are. You'll have unflattering pictures posted on the Internet for all to see, so you have to be able to handle yourself and stay true to yourself.

The Internet is a whole new world opening up.