Great Plains Bank
akiraThis record tracks a ransomware attack claimed by the akira group against Great Plains Bank. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
Great Plains National Bank is a full-service community bank with branches in Oklahoma and Texas, offering personal banking solutio ns designed to meet your financial needs including checking, savi ngs, loan and mortgage services. We are ready to upload more than 18 GB of internal corporate docu ments including: NDAs, driver licenses, contact numbers and e-mai l addresses of employees and customers etc.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.