The Phantom Squad started the attacks on the PlayStation Network and the EA (Electronic Arts) as announced a few days ago. The group launched small DDoS attacks on both Xbox Live and PSN causing short downtimes. Hacking crews of VandaSec and PhantomSec also announced their support for the attack planned by Phantom Squad. Last year hackers belonging to the hacking group of the Lizard Squad tool down at Christmas the online networks of both Microsoft. and PlayStation network (PSN) highlighting security issues affecting the services of Sony and Microsoft.”]
Source: https://securityaffairs.co/wordpress/43056/cyber-crime/phantom-squad-playstation-network.html