Data breach compromised 4.5 million members

Synopsis

In January 2026, a significant data breach was reported to have potentially compromised the personal information of approximately 4.5 million members of Seoul's public bike-sharing service, "Ttareungyi." The breach, suspected to have occurred around A...

Companies

  • Ttareungyi

We've done the analysis so you can make the decisions

Search our repository of 8,300 high-quality, objective, peer-reviewed case studies, impacting 8,325 companies and resulting in $49,287,172,705 in net costs

  • Sophisticated search & querying
  • Financial data extracted
  • Key data points captured
Want to try before you buy? You can sample one of our case studies for free here