A Wonju city official leaked the personal information of 1,014 residents, prompting the city government in Gangwon Province to suspend the officials involved and report the incident to relevant authorities.
According to Wonju city, the breach occurred when a civil servant handling a project to build an apartment complex near Wonju's E Apartment sent a document titled "Resident Opinion Form on the Dangu District Unit Plan Amendment" to the project developer without removing personally identifiable information as required.
The leaked data included the names, addresses and contact details of 1,014 residents.
The city said it became aware of the breach on Friday and immediately asked the developer to retrieve and destroy the document.
On Tuesday, the city notified the affected residents, provided guidance on seeking remedies and reported the breach to the Personal Information Protection Commission and other relevant authorities.
Also effective Tuesday, the city suspended the section chief, team leader and case officer responsible for the incident.
Wonju city said it would conduct an audit and investigation, and based on the findings, hold those responsible strictly accountable and put in place measures to prevent a recurrence.
The city also pledged to strengthen personal data protection training for staff and significantly enhance technical and administrative safeguards.
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