secwatch.observer — SEC 8-K summary
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Issuer:     CB Financial Services, Inc. (CBFV)
CIK:        0001605301
Form:       8-K
Filed at:   2026-05-11T20:15:31+00:00
Accession:  0001605301-26-000021
Event type: cyber
Sentiment:  negative
Materiality: 0.90
Item codes: 1.05
LLM model:  deepseek-v4-flash:cloud@v2

CB Financial Services discloses material cyber incident exposing customer SSNs and DOBs
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- Unauthorized AI-based software exposed non-public customer data; incident discovered May 5, 2026.
- Data disclosed includes names, social security numbers, and dates of birth.
- Company deemed the incident material on May 7, 2026; investigation ongoing.
- No disruption to bank operations or customer access; financial impact not expected.
- Remediation includes strengthening controls; regulators notified.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1605301/000160530126000021/0001605301-26-000021-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1605301/000160530126000021/cbfv-20260507.htm
  HTML page:      https://secwatch.observer/filing/0001605301-26-000021

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