Sony's Japanese internet provider, So-net, says hackers got into its member database and took the personal details of more than 2.5 million current and former customers. For 54,401 of them, the attackers also got an email address and the password that goes with it.

File photo of Sony's headquarters in Tokyo, 2012. Photo: AMANO Jun-ichi / Wikimedia Commons (CC BY 3.0), cropped