--- title: Korean cops charge two teens over Seoul bike hire breach description: Two South Korean teenagers have been charged with breaching Seoul's public bike-sharing service Ttareungyi in June 2024, exposing personal data of 4.62 million... canonical: https://daily.dev/posts/korean-cops-charge-two-teens-over-seoul-bike-hire-breach-wm6nv9erb twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Korean cops charge two teens over Seoul bike hire breach | daily.dev og:description: Two South Korean teenagers have been charged with breaching Seoul's public bike-sharing service Ttareungyi in June 2024, exposing personal data of 4.62 million... og:url: https://daily.dev/posts/korean-cops-charge-two-teens-over-seoul-bike-hire-breach-wm6nv9erb og:image: https://api.daily.dev/og/posts/wM6Nv9erb.png og:image:alt: Korean cops charge two teens over Seoul bike hire breach og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Korean cops charge two teens over Seoul bike hire breach **[The Register](https://daily.dev/sources/theregister)** · 3 min read · 0 upvotes · 0 comments ## Summary Two South Korean teenagers have been charged with breaching Seoul's public bike-sharing service Ttareungyi in June 2024, exposing personal data of 4.62 million users — roughly 90% of all registered riders. The stolen data included user IDs, phone numbers, home addresses, email addresses, dates of birth, genders, and weights. The teens, who met on Telegram over a shared interest in information security, were identified during a separate investigation into a DDoS attack on a private mobility company. Police found no evidence the data was leaked or sold, though investigators believe the intent was financial gain. The case has been referred to public prosecutors. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#cyber](https://daily.dev/tags/cyber), [#privacy](https://daily.dev/tags/privacy), [#data-breach](https://daily.dev/tags/data-breach) [View this post on daily.dev](https://daily.dev/posts/korean-cops-charge-two-teens-over-seoul-bike-hire-breach-wm6nv9erb) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Korean cops charge two teens over Seoul bike hire breach","url":"https://daily.dev/posts/korean-cops-charge-two-teens-over-seoul-bike-hire-breach-wm6nv9erb","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/korean-cops-charge-two-teens-over-seoul-bike-hire-breach-wm6nv9erb"},"datePublished":"2026-02-24T11:56:35.663Z","dateModified":"2026-02-24T11:56:55.575Z","description":"Two South Korean teenagers have been charged with breaching Seoul's public bike-sharing service Ttareungyi in June 2024, exposing personal data of 4.62 million...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/30f2dec5eadc0c5982a6b3818c809c2e?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/30f2dec5eadc0c5982a6b3818c809c2e?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"The Register","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"The Register","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/66aa2113fdad463992ffcbf0e8963fda","url":"https://daily.dev/sources/theregister"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/korean-cops-charge-two-teens-over-seoul-bike-hire-breach-wm6nv9erb","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"cyber,privacy,data-breach","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"The Register","item":"https://daily.dev/sources/theregister"},{"@type":"ListItem","position":3,"name":"Korean cops charge two teens over Seoul bike hire breach"}]} ```