(CNN) -- From North Korean hackers to embarrassing emails about our favorite stars, the recent hack of Sony Pictures seems to have all the makings of a Hollywood movie. And maybe one day it will be. After all, there seems to be a new plot twist almost daily, the latest coming Wednesday with news that movie theaters across the country were canceling plans to screen "The Interview" after a group calling itself the Guardians of Peace warned that moviegoers would suffer a "bitter fate" if they went to see the film. But as surreal as the Sony story sounds, it actually holds a number of valuable lessons on cybersecurity for all of us. Five stand out.
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Peter Singer and Allan Friedman: Sony hack has lessons for us all
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It's important not to treat all cybercrime the same, authors say
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There is no such thing as 100% security, they argue
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