President of Sony's Worldwide Studios Shuhei Yoshida recently spoke about DDoS (Distributed Denial of Service) attacks on PlayStation Network and the surprising frequency at which they occur.

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At GDC this week, Yoshida told Game Informer that PSN is attacked "literally every day" and that Sony is working diligently to combat each effort."We are always always working against these attacks," Yoshida said. "Actually, an attack happens every day. Literally every day. Some days are bigger and some days smaller. Some days they devise new means, new ways - it's like cat and mouse. We have a partner company we work with, and we always update the new ways the attacker might deploy, so it is a constant battle."Last year, on December 25, both PSN and Xbox Live were knocked offline due to large scale DDoS attacks.Earlier this week, Head of Xbox Phil Spencer called the Christmas Day attacks a "learning experience"

Lauren Puga is a freelancer for IGN. Follow her on Twitter @kittentarantino