Golf Canada - 568,972 breached accounts
Brief
In mid-2026, hundreds of thousands of user records allegedly sourced from Golf Canada began circulating via Telegram. The data included 569k unique email addresses along with names, usernames, dates of birth, genders and approximate geographic locations (city, province and postcode).
Golf Canada didn't respond to multiple attempts to make contact, and it remains unclear whether the data was obtained via unintentionally exposed website features or a security vulnerability.