Your web-connected baby cam could help shut down the Internet

Last week, much of the US were hit with a cyberattack, interrupting Twitter, PayPal, the New York Times and other services used by many millions of people. Welcome to the "Internet of Things" -- with web-connected devices that are revolutionizing how we live and do business. In the next few years, there may be 50 billion web-connected devices, revolutionizing all aspects of life and business. But there's a downside. Your home-alarm, your toaster — or anything else that's online -- can become a weapon for hackers with the worse of intentions. You won't even know it. Last week was a wake-up call to potential disasters that could be much worse. They're said to be "inevitable" unless security is beefed up… starting now.