BOK Financial was listed on a ransomware tracker on August 22, 2026, by the ShinyHunters group, indicating a reported data breach. The group issued a final warning to the company on that date.
Specific data types affected and the number of individuals impacted have not been publicly disclosed. It remains unclear what information, if any, was compromised.
Details about this incident may emerge over time. Consumer notification dates and regulatory reports, if any, have not been made public.