Data of 8.7 million KT subscribers hacked in South Korea

KT Corp., South Korea's No. 2 wireless service provider, apologized on Sunday after personal data of millions of mobile phone subscribers was hacked.

It is the latest in a string of large-scale personal information hacking cases in one of the world's most wired countries.

Police said two computer programmers had been arrested for hacking personal data of about 8.7 million KT subscribers. KT claims a mobile service subscription membership of 16 million. Police were also investigating seven others suspected of having purchased and used the hacked KT data, which included names, resident registration numbers and phone numbers.