Names, email address and postal codes were accessible via a security vulnerability on a website that Nintendo was using to promote its upcoming Nintendo 3DS console in 12 Spanish cities. Nintendos Spanish division is said to have contacted the authorities in early February, after the man threatened to contact the Spanish Data Protection agency, believing that the firm had shown negligence in not securing the information more effectively. The man, who was arrested in the southern province of Malaga according to reports, threatened to expose more details.”]
Source: https://grahamcluley.com/alleged-nintendo-hacker-arrested-in-spain/