The Oklahoma Tax Commission reported unauthorized access to W-2 and 1099 files in the Oklahoma Taxpayer Access Point (OkTAP), with timelines in press citing activity from mid-2024 into December 2025. Letters referenced names and Social Security numbers; the agency described investigation, IRS coordination, and consumer protections.
Canonical record: Oklahoma Tax Commission 2026 on BreachHistory.
Source: The Oklahoman