Strauss Borrelli PLLC, a leading data breach law firm, is investigating Great Plains Bank Corporation regarding its recent data breach. The Great Plains Bank data breach may have involved sensitive personal information belonging to over 7,700 individuals.
ABOUT GREAT PLAINS BANK CORPORATION:
Great Plains Bank is an independent, locally owned bank based in South Dakota. Today, Great Plains Bank offers a variety of financial services and products to individuals and businesses, including checking and savings accounts, debit cards, mortgages, consumer, and commercial loans, CDs, traditional and Roth IRAs, insurance products, and digital banking services. Headquartered in Aberdeen, South Dakota, Great Plains Bank has three additional locations in South Dakota.
WHAT HAPPENED?
Recently, Great Plains Bank reported to the Attorney General of Maine that it had experienced a data breach in which sensitive personal identifiable information in its systems may have been accessed. According to the breach notice, on or around November 21, 2024, Great Plains Bank experienced a ransomware attack that affected its network and some of its IT systems.1 As a result, Great Plains Bank launched an investigation to determine the nature of the incident.
Through its investigation, Great Plains Bank confirmed that sensitive personal information in its systems may have been compromised by an unauthorized third party during the breach. As a result, Great Plains Bank began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. While the information impacted varies depending on the individual, the type of information potentially exposed includes:
- Name
- Social Security number
On February 19, 2025, Great Plains Bank began mailing data breach notification letters to impacted individuals. Based on the breach notice sent to Maine residents, Great Plains Bank is providing affected individuals with a list of the specific types of sensitive information impacted and 12 months of complimentary credit monitoring services. A link to the form breach notification letters that Great Plains Bank filed with the Attorney General of Maine is below.
If you are a received a breach notification letter from Great Plains Bank Corporation:
We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at 872.263.1100 or sam@straussborrelli.com.
