Trending Amazon Alexa setup app is a fake -- Now, they're hacking hot tubs -- Security cameras can be easily hacked

Summary: Hackers are now taking control of smart appliances just to mess with people. Scientists at Cambridge have come up with a clever new way to study cancer. There's a fake Amazon Alexa setup app that you need to avoid. Amazon's Alexa was so popular on Christmas the system crashed for a while. All that and more in Tech News This Week from the news desk at Komando.com.