In the official PSN Status Page of PlayStation, you can now find listing of all online services as up and running. If you log in to PSN on your PlayStation device, you can easily engage with all online services.
PlayStation didn’t acknowledged the momentary outage that lasted only for less than one hour. PlayStation network is down at present.
As per the reports from the owners of the PlayStation updated both online as well as on the PlayStation Status Page, PSN is going through some kind of technical difficulties. The sister site of IGN Down Detector has shown that there were more than 13000 reports of outages with the PSN since 4pm PT.
As per the official PlayStation Network Status Tracker, all service right from account management, PlayStation Now, PSN Store to Online Gaming are experiencing some or the other kind of problems.
Till now no official news on why such an outage occurred or till how long it will be there until and unless all services comes back to normal.
Keep on checking IGN where you will get the update on when the services will resume.