UnknownGovernment IDMedium

HEALTHSTREAM, INC.

bd_cd960456565cc2bd · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Sep 14, 2026

To disclose

—

Affected

4state residents only

Confidence

95%

Full breach record for HEALTHSTREAM, INC. →2 incidents on file

HealthStream, Inc. reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-09-14. The reporting organization type is Other Commercial. 4 Vermont residents were affected. Categories of data breached: Social Security Numbers, Government ID Numbers.

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Incident timeline — partial

? — ?

Breach window unknown

Sep 14, 2026

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4 affectedView incident

Name: HEALTHSTREAM, INC.
norm: healthstream

Name: HEALTHSTREAM, INC.
norm: healthstream

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 4state-resident count only
Data types: Government ID
Data elements: Social Security numberOther government id
Attack vector: Unknown
Threat actor: External

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://ago.vermont.gov/categories/security-breach-notices
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 14, 2026
Raw hash: 0d40d484ea6aa7adf77df9b1b505aa8f7fd59a16f6fb06c1b1da4459f96ff2e5

Reporting entityHEALTHSTREAM, INC.

Victim entityHEALTHSTREAM, INC.

IncidentUnknown

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov