For businesses that rely on software systems to keep things up and running, a system failure can stop production and lead to financial loss.
In October of 2016, hundreds of people experienced firsthand the frustration of service failure, when a denial-of-service (DOS) cyberattack on the DNS provider Dyn made many internet platforms and services unavailable to users in Europe and North America. The Guardian, Twitter, Airbnb, and Freshbooks were all among the websites and services inaccessible throughout the day.
