Sony on Sunday said it would "shortly" begin restoring its PlayStation Network and Qriocity

RELATED ARTICLES Sony to end feature phones by September Sony shares at near 32 year lows on strategy doubts Sony sees return to profit after record annual loss

online services following a major security breach that compromised millions of users.

The Japanese entertainment and technology giant also announced new security steps while adding that it so far had no evidence that credit card data was stolen.

"This criminal act against our network had a significant impact not only on our consumers, but our entire industry," said Kazuo Hirai, Sony executive deputy president.

"These illegal attacks obviously highlight the widespread problem with cyber security. We take the security of our consumers' information very seriously and are committed to helping our consumers protect their personal data."