Business and government spent around $46 billion in 2013 to guard against malicious cybercriminals. How can the U.S. combat this growing threat? Carnegie Mellon University is training the next generation of cybersecurity experts by teaching them to think like hackers.

Take a look at these new technologies that allow people to keep track and quantify every detail of their daily lives. It's a growing movement called “quantified self.” The personal data gathered is often health-related, but there are applications to…