Social EngineeringHealthcareHealthcarePhishingTargetedCustomer Data InvolvedIdentity (basic)Health (basic)LowContained

Beaver Medical Group (BMG) / Epic Management LLC (EPIC)

bd_d6f4dce472358f95 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 24, 2023

Filed

Mar 8, 2023

To disclose

6 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for Beaver Medical Group (BMG) / Epic Management LLC (EPIC) →

On January 24, 2023, Beaver Medical Group (BMG) / Epic Management LLC (EPIC), part of Optum, detected unusual activity on an employee workstation. An unauthorized third party launched a targeted phishing attack, gaining temporary access to certain emails and records. The incident involved names, member IDs, health plan names, and premium payment amounts. No SSNs, clinical info, or financial account data were compromised. Security controls were enhanced.

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Incident timeline

discovery → filing · 6 weeks / 43 days

Jan 24, 2023

Begins

Jan 24, 2023

Discovered

Mar 8, 2023

Filed

vs. sector median

6 wks faster

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

Name: Epic
norm: epic
Domain: epic.com

Name: Beaver Medical Group (BMG) / Epic Management LLC (EPIC)
norm: beaver medical group bmg epic management llc epic
Industry: Healthcarellm

Discovered: Jan 24, 2023
Breach occurred: Jan 24, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Health (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Took steps to secure our network and begin an investigation
Enhanced the security controls tools on our website servers
Continue to monitor our systems to proactively identify additional safeguards
Established a dedicated toll-free hotline
Changes made: Enhanced the security controls tools on our website servers to help prevent a similar incident from happening in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(43 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://oag.ca.gov/ecrime/databreach/reports/sb24-564084
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 8, 2023
Raw hash: ade2c6e27ca7179fbcaaaedcfd9530ff9814de2ed45e9f3af541ed75c98b9d39

Reporting entityEpic

Victim entityBeaver Medical Group (BMG) / Epic Management LLC (EPIC)

Incidentdiscovered Jan 24, 2023

Stated responseTook steps to secure our network and begin an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov