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What saved the hospital was a combination of quick reporting by affected victims and a quick response from the security staff. As soon as the security staff discovered that there were multiple systems under attack from ransomware, they disconnected everything from the network. It was an extreme response but one that probably saved the hospital millions of dollars. Another hacking group is focused on taking advantage of known weaknesses in the JBoss Management Console. JBoss is an open source application server maintained by Red Hat.
Early versions of ransomware targeted home computer users almost exclusively. It was very rare to hear about a company being infected with ran‐ somware. Ransomware is still delivered in large numbers to home users, with hacker groups, like the group behind Locky, indiscriminately spamming people hoping to get a successful infection and even occasionally someone who will pay them. But it wasn’t long before hacker groups realized that organizations were more likely to pay ransoms to get their systems up and running again.