I just tried to access my Paypal account, and apparently it is down.
Companies including Twitter, Netflix, PayPal and eBay appeared to have their websites broken. And other services like PlayStation Network appeared to be hit by a major outage:
Update: Internet service appears to stablize after waves of cyber attacks
(Score: 3, Insightful) by forkazoo on Friday October 21 2016, @09:49PM
It's certainly not impossible that Russia is involved (or at least will be blamed), and the timing right after the US was preparing a proportional response is interesting. That said, what's Russia's motive to attack US DNS for some sites? I don't think anybody has really sorted out the true target, so it's hard to really talk about apparent motive yet. It'll be a bit different if it was a protection racket against Dyn rather than for example using Dyn as an attack vector against Pay Pal.