Social EngineeringHealthcareHealthcarePhishingTargetedPIIIdentity (basic)LowContained

Serenity Living Center Inc.

bd_de183700950f877c · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 13, 2021

Filed

Dec 9, 2021

To disclose

47 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Serenity Living Center Inc. →

Serenity Living Center Inc. notified Montana residents of a data breach where an unauthorized party accessed an employee's email account containing personal information. The incident was discovered on January 13, 2021. The company secured the account, engaged forensic investigators, and offered one year of Experian IdentityWorks credit monitoring to affected individuals.

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Incident timeline

discovery → filing · 47 weeks / 330 days

Jan 13, 2021

Discovered

Dec 9, 2021

Filed

vs. sector median

+36 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Serenity Living Center Inc.
norm: serenity living center

Name: Serenity Living Center Inc.
norm: serenity living center
Industry: Healthcarellm

Discovered: Jan 13, 2021
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Initial access: phishing_link

During the incident: Secured the email account to prevent any further access
Engaged a forensic security firm to investigate the incident and confirm the security of our email and computer systems
Offering a complimentary one-year membership of Experian IdentityWorksSM Credit 3B
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 47 weeks(330 days from discovery to filing)
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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-137.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 9, 2021
Raw hash: 77b0937a3d80d8f3049c74f756bb6a1f602845f0fce103e835ecfde17445af02

Reporting entitySerenity Living Center Inc.

Victim entitySerenity Living Center Inc.

Incidentdiscovered Jan 13, 2021

Stated responseSecured the email account to prevent any further access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov