HealthStream reports cybersecurity incident; employee and billing data accessed

HEALTHSTREAM INC

Unauthorized third party accessed limited files on corporate file server; no customer-facing systems compromised.
Employee information, billing data of certain customers/vendors, and corporate/legal info accessed/exfiltrated.
About 75 credentialing customers had data copied to corporate file servers; those customers notified.
No evidence of PHI access, no file encryption, no service interruption; investigation ongoing.
Company does not expect material adverse impact on business, operations, or financial results.

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