Overview
The Finest Squad is a group of white hat hackers that are situated in the Netherlands.
They were the ones to release the information of the black hat hacker group Lizard Squad[1] during the December attacks of Sony’s PSN, and Microsoft’s Xbox Live.
Origin
On December 2nd 2014, the twitter account @FinestSquad[2] was created because of the recent Machinima.com and Xbox live hacks done by Lizard Squad.
Notable Operations:
Shutdown of Lizard Squad websites
On the same day, @FinestSquad twitter account posted an image showing that they were able to shutdown a main Lizard Squad website.
Release of Lizard Squad member’s information
On the night of December 25th 2014, Finest Squad released a website, which contained all of the I.P’s of the members of Lizard Squad, as well as all of their skype names. 
Search Interest
External References
[1]Know Your Meme – Lizard Squad Hacks
[2]Twitter – Finest Squad