Community Bank
Disclosed May 7, 20264 months agoConfirmed
Bank exposed customers' SSNs through unauthorized AI software application
Community Bank, operating in Pennsylvania, Ohio and West Virginia, said in an SEC 8-K that customers' names, dates of birth and Social Security numbers were exposed through use of an unauthorized AI-based software application. It did not say how many customers were affected.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | May 7, 2026 |
| Discovered | May 5, 2026 |
| Attack | Insider |
| Data exposed | Names, Social Security numbers, Dates of birth |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| CB Financial Services Form 8-Ksec.gov · SEC filing | SEC filing |
| US bank discloses security lapse after sharing customer data with AI apptechcrunch.com · News | News |
Notices filed
History of this record
- 2026-09-25 · attack: ai-model to insider · seed source
- 2026-09-25 · disclosed: 2026-05-11 to 2026-05-07 · seed source
- 2026-09-25 · summary: CB Financial Services told the SEC that an employee or authorized user of its Community Bank subsidiary handled customer data through an unauthorized AI-based software application, disclosing names, SSNs and birth dates. It deemed the incid to Community Bank, operating in Pennsylvania, Ohio and West Virginia, said in an SEC 8-K that customers' names, dates of birth and Social Security numbers were exposed through use of an unauthorized AI-based software application. It did not sa · seed source
- 2026-09-25 · title: Bank discloses customer SSNs were fed into an unauthorized AI application to Bank exposed customers' SSNs through unauthorized AI software application · seed source
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.