Data breach of 300,000 fans' personal information

Synopsis

In March 2026, Dutch football club AFC Ajax disclosed a significant data breach affecting over 300,000 fans. An unauthorized individual gained access to parts of the club's IT systems, exploiting vulnerabilities in the website API and app, including e...

Companies

  • Ajax

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

Search our repository of 8,540 high-quality, objective, peer-reviewed case studies, impacting 8,557 companies and resulting in $49,290,745,449 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