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SUMMARY

Data for 20,000,000 game site users reportedly leaked by hackers
Records	20,000,000
Record Types	MISC PWD
Breach Type	Hack
Data Family	Electronic
Source	Outside
Organization	7k7k
Other Affected/Involved Organizations	None
Lawsuit?	NO/UNKNOWN
Data Recovered?	NO/UNKNOWN
Arrest?	NO/UNKNOWN
Submitted By:	Dissent

Date	Event
None. Add Data	Incident Occurred
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None. Add Data	Incident Discovered By Organization
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2011-12-22	Organization Reports Incident
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None. Add Data	Organization Mails Notifications
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None. Add Data	Records Recovered
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None. Add Data	Lawsuit Filed
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None. Add Data	Arrest Made
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records	date	organizations
40,000,000	2005-06-19	CardSystems, Visa, MasterCard, American Express
35,000,000	2011-07-28	SK Communications, Nate, Cyworld
10,810,000	2008-02-19	Auction.co.kr (Internet Auction Co.)
13,200,000	2011-11-25	Nexon Korea Corp

Address: Beijing, China
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No known costs for this incident.

Ponemon Institute Direct Costs Estimate ¹

$1,200,000,000.00

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.