13 million players compromised in Nexon hack

Only Korean players affected in attack on MapleStory

The private data of more than 13 million MapleStory players was compromised in a recent hacking incident.

According to a report in the Korean Herald, the attack took place last Thursday, and reached around three-quarters of the game's player-base - 13.2 million people.

The compromised data included player names, user IDs, passwords, and registration numbers - the Korean equivalent of a US social security or UK national insurance number.

A spokesman for Nexon, the Korean publisher that operates MapleStory, confirmed that overseas players were not affected.

"We operate separate servers in each country. Only Korean users' information was affected," he said.

The attack is the second largest of its kind in the country's history. It is currently under investigation by the Korea Communications Commission.

Nexon was planning an IPO valued at $1.3 billion in the next few weeks. At the time of writing, the company had not announced any amendments to its plans as a result of the attack.

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Latest comments (2)

gi biz ;, 5 years ago
My question is: why do a mmorpg need your insurance number? Or even your real name? If they stopped asking for private data (that I usually make up anyways), those incidents would be less important.
Moreover, if they only store hashed passwords and refrain from using the same hashing algorithm for every site out there, stealers would be less motivated and their loot would do them little or no good.
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Matt Ham Economic Designer, Ubisoft Paris5 years ago
Korean MMOs have a government requirement to log players by Social Security ID. This is at least in part used now to set time limits for play based upon player age. As a side-effect it links each player to a real-world person, which makes operating a free-to-play game in Korea far easier than in a country where a player can create infinite accounts with which to perform mischief.
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