CB Financial Services discloses material cyber incident exposing customer SSNs and DOBs

CB Financial Services, Inc.

• 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.

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