In this Thursday, Dec. 25, 2014 photo, a shopper walks on the logo of Sony’s PlayStation 4 at an electronics store in Tokyo. Sony’s online PlayStation store and Microsoft’s Xbox site suffered disruptions to users on Christmas Day in the latest possible cyber-attacks on the companies. The PlayStation Store Twitter feed said Friday, Dec. 26 that some users were having trouble logging into its network. It said engineers were investigating. (AP Photo/Shizuo Kambayashi)