Knowing a lot about something doesn't always mean you can stop it.
Two days before a massive distributed denial of service attack (DDoS) shut down a huge chunk of the internet on Friday, a researcher at the server provider under assault gave a presentation on just that kind of attack.
SEE ALSO: Sites across the internet suffer outage after cyberattack
Friday's attack was directed at Dyn, a firm that hosts domain name systems.
The internet's rough day is the result of a distributed...