Social EngineeringHealthcareHealthcarePhishingCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountFinancial credentialsAuthenticationMediumContained

Viverant PT, LLC

bd_22a38a764578e3b6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 9, 2021

Filed

Oct 29, 2021

To disclose

33 weeks

Affected

1state residents only

Linked

2 filings

Confidence

64%

Full breach record for Viverant PT, LLC →

Viverant PT, LLC notified Montana residents of a security incident involving protected health and personally identifiable information. Suspicious emails were sent from an employee's account between Feb 23 and Mar 9, 2021. Viverant discovered the incident on Mar 9, 2021, engaged forensic experts, and sent notifications on Oct 29, 2021. No misuse was confirmed.

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Incident timeline

undetected · 14 days

discovery → filing · 33 weeks / 234 days

Feb 23, 2021

Begins

Mar 9, 2021

Discovered

Oct 29, 2021

Filed

vs. sector median

+24 wks slower

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_2f1b7a620bc6b5df2021-10-29Verified

Name: Viverant PT, LLC
norm: viverant pt

Name: Viverant PT, LLC
norm: viverant pt
Industry: Healthcarellm

Discovered: Mar 9, 2021
Breach occurred: Feb 23, 2021 – Mar 9, 2021
Undetected for: 14 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 29, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial accountFinancial credentialsAuthentication
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: reporting this Incident to relevant government agencies
Initial access: phishing_link

During the incident: Immediately investigated the matter
Changing passwords
Enacting stricter authentication requirements
Employee trainings
Retaining national privacy and security experts
Worked with a leading privacy and security firm to aid in our investigation and response
Reporting this Incident to relevant government agencies
Changes made: Implemented measures to further improve the security of our systems and practices
Enacting stricter authentication requirements
Employee trainings
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 33 weeks(234 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

HHS OCROct 29 · first

Montana State AGOct 29 · first · this page

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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-39.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 29, 2021
Raw hash: 119303e137e7087562d720e5f4b1f06b931a22dfa515b78d19804eb92b33872b

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityViverant PT, LLC

Victim entityViverant PT, LLC

Incidentdiscovered Mar 9, 2021

Stated responseImmediately investigated the matter

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov