By now, you must have heard of the WannaCry ransomware. It ranks as one of the most effective pieces of malware in the internet’s history, and it has everyone worried about what’s coming next. To guard yourself, the best place to start is with a better understanding of what made WannaCry different.

A few generations ago, healthcare workers had far fewer opportunities to gossip about patients. But with social media and instant messaging, healthcare employees have plenty of opportunities to breach information before realizing what they’ve done.