Sony says it will fully restore all services for the PlayStation Network by the end of this week, more than one month after a major data breach knocked out the company's online video game hub.

Currently, PSN subscribers can only play PlayStation 3 and PlayStation Portable games online, access their friends' lists and manage their accounts.

The finished restoration will bring back the PlayStation Store, which allows users to purchase games and download demos and videos. The update will also bring back full functionality for Sony's Qriocity music service, reads a post on the official PlayStation blog.

"We have been conducting additional testing and further security verification of our commerce functions in order to bring the PlayStation Network completely back online so that our fans can again enjoy the first-class entertainment experience they have come to love," said Sony Computer Entertainment President Kazuo Hirai in a statement.

Two weeks ago, Sony introduced the first phase of the PSN's restoration, which brought back online play and access to friend lists.

The service had been down for nearly a month -- beginning April 20 -- after a significant data breach exposed the personal data on 77 million accounts. Sony has still not determined whether credit card information was also swiped.

Since then, Sony has offered free identity theft protection for up to 12 months to all PSN users and unveiled a "Welcome Back" program offering free games. Sony also says it has bolstered security on PSN to include additional firewalls and enhanced data protection and encryption.

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