HackingHealthcareHealthcareStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumActive

ELWYN CALIFORNIA

bd_4aa4be339893cd7a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 24, 2020

Filed

Feb 18, 2021

To disclose

34 weeks

Affected

1state residents only

Linked

4 filings

Confidence

66%

Full breach record for ELWYN CALIFORNIA →2 incidents on file

Elwyn, a healthcare organization, notified the New Hampshire Attorney General of a data event affecting one NH resident. Unauthorized actors accessed employee email accounts between October 2019 and July 2020. Discovery occurred June 24, 2020. Affected data included names and Social Security numbers. Elwyn reset passwords, engaged forensic specialists, and provided one year of Experian credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 259 days

discovery → filing · 34 weeks / 239 days

Oct 9, 2019

Begins

Jun 24, 2020

Discovered

Feb 18, 2021

Filed

vs. sector median

+22 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_391c208c272e24e12021-02-11 · +7dVerified
Delaware State AGbd_cc2f42ab3cb4784c2021-02-11 · +7dVerified
California State AGbd_ee540d71ba500a532021-02-11 · +7dCandidate

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: ELWYN CALIFORNIA
norm: elwyn california
Industry: healthcare
Industry: Healthcarellm

Discovered: Jun 24, 2020
Breach occurred: Oct 9, 2019 – Jul 21, 2020
Undetected for: 259 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 11, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation with the assistance of computer forensic specialists
Took steps to secure the email accounts by resetting user passwords
Posted notification of this event on its website on or around August 21, 2020
Provided access to credit monitoring services for one (1) year, through Experian
Changes made: Working to implement additional safeguards and training to its employees
Continue to review our security policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(239 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGFeb 11 · first

Delaware State AGFeb 11 · first

California State AGFeb 11 · first

New Hampshire State AG+7d · this page

Pattern: first filing Feb 11 (IN), last Feb 18 (NH) — a 7-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.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/elwyn-20210218.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 18, 2021
Raw hash: b89b83dc3d3e1dc890b75e2f4a24f7228037b16d5dbb9cd981fb989d9a209685

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityELWYN CALIFORNIA

Incidentdiscovered Jun 24, 2020

Stated responseLaunched an investigation with the assistance of computer forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov