Latest / Federal (SEC) / July 2026

HEALTHSTREAM INC

HEALTHSTREAM INC notified SEC Form 8-K on Jul 29, 2026 of a data breach. Data exposed: Medical / health information, Health insurance, Usernames / passwords.

All 3 filings by HEALTHSTREAM INC, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
HEALTHSTREAM INC
Source
SEC Form 8-K · source record
Date reported
Jul 29, 2026
Date(s) of breach
Not stated
Residents affected
Not published by this source
Data exposed
Medical / health information Health insurance Usernames / passwords
Notice letter
Form 8-K filing
Third party
The letter attributes the incident to a vendor or service provider
First seen by BreachTally
2026-11-12 23:17 UTC
Ticker
HSTM

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 23:17 UTC on Nov 12, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.

Item 8.01 excerpt

Item 8.01 Other Events. HealthStream, Inc. (the “Company”) recently detected that the Company had experienced a cybersecurity incident in which an unauthorized third party gained access to a limited portion of files on the Company’s corporate file server as described below. Following such detection, the Company initiated response protocols, launched an investigation, which remains ongoing, engaged the services of cybersecurity and forensics specialists and advisors, and notified certain law enforcement authorities. Based on the Company’s investigation to date, we do not believe that any customer-facing systems were accessed or compromised. In addition, the Company has not identified evidence to date that protected health information, as defined by the Health Insurance Portability and Accountability Act (“HIPAA”) was accessed or exfiltrated. Moreover, the Company has not identified any evidence indicating that any files were encrypted by the unauthorized third party. We have not experienced any interruption in our product or service delivery to customers or to our business operations. Based on the Company’s investigation to date, the Company believes that certain information of the Company’s employees, as well as billing related information of certain customers and vendors, and corporate and legal information of the Company, was accessed and/or exfiltrated from the Company’s corporate file servers as the result of the incident. In addition, for approximately 75 of our credentialing customers, the Company had copied certain customer data to the Company’s corporate file servers for purposes of data conversion, analytics, and troubleshooting for these customers. The Company has notified such customers regarding this incident. We have incurred, and expect to continue to incu

Other filings by HEALTHSTREAM INC

OrganizationSourceStateReportedResidents affectedData exposed
HealthStream, Inc. Vermont AG VT Sep 14, 2026 4 Social Security number
HealthStream, Inc. Massachusetts OCABR MA Sep 14, 2026 18 Social Security numberDriver's license / state ID

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.