DisclosureLens
VIRGINIAHackingHealthcareHealthcareBusiness Associate (HIPAA)Customer Data InvolvedN-DayHealth (basic)Identity (basic)MediumContained

GUIDEHOUSE INC.

bd_a1315e93704516aa · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jul 15, 2021

To disclose

—

Affected

91,331

Linked

3 filings

Confidence

50%
Full breach record for GUIDEHOUSE INC. →2 incidents on file

Guidehouse, a business associate, reported a cyber-attack on its secure file transfer device that affected 91,331 individuals. The breach, reported to HHS on 2021-07-15, compromised protected health information including names, dates of birth, diagnoses, conditions, and claims information. In response, Guidehouse applied a critical patch to mitigate the vulnerability, discontinued the compromised device, and transitioned to a different network.

HIPAA clock✓ HHS notified
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Jul 15, 2021

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Montana State AGJun 25 · first
HHS OCR+20d · this page

Pattern: first filing Jun 25 (MT), last Jul 15 (VA) — a 20-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.