The online service will be unavailable June 1 for several hours. The company said during the period users will not be able to sign in, though users already logged in should remain online.
It added that full restoration of PSN services, including the Playstation Store, is on track for this week.
Sony this week said it will fully restore all Playstation Network services, including the Playstation Store and Qriocity divisions, by the end of the week.
Territories include the Americas, Europe/PAL territories and Asia.
Full restoration of services include the Playstation Store, in-game commerce, ability to redeem vouchers and codes, Music Unlimited powered by Qriocity for PS3, PSP, Vaio, and other PCs, and Media Go functionality.
Restoration of Video on Demand and Music Unlimited services powered by Qriocity will be announced later.
Details for Japan, Hong Kong, and South Korea remaining services on Qriocity will be announced as they become available.
The company said it has implemented considerable enhancements to the network infrastructure, in addition to testing payment and commerce functionality.
The Playstation Store has been unavailable since an external intrusion crippled PSN and Qriocity services in late Apr.
Sony May 15 restored the Playstation Network division in the U.S.
In addition, the service was restored in the UK, Ireland, Middle East, New Zealand, Australia, Mexico and South America .
The company restored partial service to Japan and select Asian territories May 28.
Restoration includes sign-in to the Playstation Network and Qrocity division, including password reset; restoration of online gameplay across the PS3 and PSP; playback of rental video content; access to third-party services like Netflix and Hulu; Friends functionality, and Playstation Home.
The company said it has implemented new and additional security measures, including updating and adding advanced security technologies, additional software monitoring and penetration and vulnerability testing, and increased levels of encryption and additional firewalls.
The new Firmware 3.61 is a mandatory update that will require PSN users to change their password prior to login of the network.
The company expects to have service fully restored by the end of May.
Access to the Playstation Network and Qrocity divisions has been crippled since Apr. following an external intrusion that compromised consumer data.
The company said it is taking steps to prevent future attacks, including enhanced levels of data protection and encryption; enhanced ability to detect software intrusions, unauthorized access and unusual activity patterns; additional firewalls; establishment of a new data center in an undisclosed location; and the naming of a new Chief Information Security Officer.
Sony in May began sale of the PS3 160GB Call of Duty: Black Ops Bundle, which includes the PS3 160GB hardware, a copy of Activision Blizzard Inc.’s Call of Duty: Black Ops, the Call of Duty: Black Ops First Strike DLC Pack, and a Dualshock 3 Controller at $299.99.