Hola Better Internet is a popular Firefox and Chrome extension that allows you towatch blocked content overseas.
To understand the issue here, its important to understand how Hola works.
Unlike Tor, however, Hola users cant opt out of being an exit node in the free version.

He bought up a ton of bandwidth from Luminati and used it to attack anonymous message board 8chan.
This isnt Holas first offense, either.
You may remember whenHola was caught testing injected ads into its users browserstoo.
Hola| 8Chan viaHacker NewsandBusiness Insider