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SUMMARY

13.2 million players of Maple Story had their names, usernames, and encrypted resident registration numbers and passwords acquired by hacker
Records 13,200,000
Record Types SSN NAA MISC PWD
Breach Type Hack
Data Family Electronic
Source Outside
Organization Nexon Korea Corp
Other Affected/Involved Organizations None
Lawsuit? NO/UNKNOWN
Data Recovered? NO/UNKNOWN
Arrest? NO/UNKNOWN
Submitted By: Dissent

TIMELINE

DateEvent
2011-11-18 Incident Occurred
None. Add Data Incident Discovered By Organization
2011-11-25 Organization Reports Incident
None. Add Data Organization Mails Notifications
None. Add Data Records Recovered
None. Add Data Lawsuit Filed
None. Add Data Arrest Made

SIMILAR INCIDENTS

recordsdateorganizations
35,000,000 2011-07-28 SK Communications, Nate, Cyworld
10,810,000 2008-02-19 Auction.co.kr (Internet Auction Co.)
20,000,000 2011-12-22 7k7k

MAP OF INCIDENT LOCATION

Address: South Korea
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REFERENCES

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ATTACHMENTS

COSTS SUMMARY

Known Actual Costs

No known costs for this incident.

Estimated Costs

Ponemon Institute Direct Costs Estimate 1 $792,000,000.00
  1. Note that these estimates are based on the Ponemon Institute's 2009 direct costs figures from their 2009 Annual Study: Cost of a Data Breach. We multiply $60.00 by the number of records to obtain this figure. Keep in mind that depending on the breach, the direct costs are not always suffered by the breached organizations. In the case of credit card number breaches, the direct costs can often be suffered by banks and card issuers. Also note that this is only an estimate.

COMMENTS

by Dissent [DataLoss Archaeologist] on 2011-11-29 (6 months ago)

Curator's Note: We have seen conflicting reports on whether the firm first discovered the breach on Nov. 21 and confirmed it on Nov. 24 or first discovered it on Nov. 24. In light of contradictory media coverage, we have left the date blank for now but may edit that in the future. Thanks to those who submitted links.

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