Seoul City to notify 4.62 million users of 'Ttareungi' data leak, offers 30-day pass

Seoul City is taking steps to notify around 4.62 million users of its public bicycle service, 'Ttareungi,' about a personal information leak. The Seoul Facilities Corporation announced that individual notification messages detailing the leaked information and guidance on preventing damage will be sent starting July 21.

The leaked data includes user IDs, phone numbers, birthdates, genders, weights, email addresses, postal codes, and addresses. Depending on when and how users registered, other details like guardian phone numbers and birthdates may also have been compromised. The messages will be sent sequentially, with approximately 1.2 million notifications distributed daily.

As compensation for the breach, all affected users will receive a 30-day Ttareungi pass. This pass will be provided through the Ttareungi application next month and can be used within three months of issuance. Current pass holders will have their new pass activated after their existing one expires.

The Seoul Facilities Corporation has apologized for the incident and is working to enhance security. They have already addressed the web vulnerability that caused the breach and are increasing monitoring for suspicious access. The corporation is also seeking to secure IT personnel and budget for a system overhaul. Users are advised to be cautious of calls or messages impersonating the corporation and to avoid clicking suspicious links or installing unknown applications.

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We deeply apologize once again to the citizens for the worry and inconvenience caused by this personal information leak incident. We will do our best to ensure that citizens can use Ttareungi with peace of mind by completely reorganizing the security system and closely cooperating with related agencies.