Five unsettling hacks from DefCon and Black Hat - CNN.com

If something can connect to a network, it can be hacked. Computers and phones are still popular targets, but increasingly so are cars, home security systems, TVs and even oil refineries. That was the message at this year's Black Hat and DefCon computer security conferences, which took place last week in Las Vegas. The annual conferences draw a mix of computer researchers and hackers who present the latest bugs and vulnerabilities they've discovered. These are some of the more popular targets covered at this year's conferences.