Oklahoma Tax Commission security incident history
Hacking, data breaches and other security incidents involving Oklahoma Tax Commission, with related coverage.
Incidents: 1 · Most recent
Massive data breach at Oklahoma Tax Commission
A massive data breach occurred at the Oklahoma Tax Commission in the US. The breach and guidance for victims were made public in April 2026. The specific scale of the breach, its cause and the agency's response have not been confirmed.
Related reports: 3 · last report →