Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedIdentity (basic)Government IDMediumContained

EMC NATIONAL LIFE COMPANY

bd_a4ea9f6d4730e947 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 3, 2020

Filed

Mar 4, 2020

To disclose

4 weeks

Affected

19state residents only

Linked

3 filings

Confidence

65%

Full breach record for EMC NATIONAL LIFE COMPANY →4 incidents on file

EMC National Life Company notified Montana residents that an unauthorized party accessed an employee's email account via phishing between Dec 8-9, 2019. The incident was discovered on Feb 3, 2020. Personal information, including names and SSNs, was exposed. The company secured the account, engaged forensic investigators, and offered one year of credit monitoring. No evidence of misuse was found.

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Incident timeline

undetected · 57 days

discovery → filing · 4 weeks / 30 days

Dec 8, 2019

Begins

Feb 3, 2020

Discovered

Mar 4, 2020

Filed

vs. sector median

4 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_a2f4394565ae427d2020-03-04Verified
Massachusetts State AGbd_d03d6d6bc320d0332020-03-04Verified

Name: EMC NATIONAL LIFE COMPANY
norm: emc national life

Name: EMC NATIONAL LIFE COMPANY
norm: emc national life
Industry: Financial Servicesllm

Discovered: Feb 3, 2020
Breach occurred: Dec 8, 2019 – Dec 9, 2019
Undetected for: 57 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 20, 2020
Affected individuals: 19state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Secured the account
Commenced a prompt and thorough investigation
Worked very closely with external cybersecurity professionals
Conducted an extensive forensic investigation and manual email review
Offered a complimentary one-year membership of Experian IdentityWorks Credit 3B
Tightened security around Microsoft Office 365 environment
Implemented two-factor authentication
Changes made: Tightened security around Microsoft Office 365 environment
Implemented two-factor authentication
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGMar 4 · first

Massachusetts State AGMar 4 · first

Montana State AGMar 4 · 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/Breach-NotificationDetails-126.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 4, 2020
Raw hash: a9e1a2b620f1970e0237f5a0bc37b8d03a1f99b03cf5b2a1b15fd6e9d649f689

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityEMC NATIONAL LIFE COMPANY

Victim entityEMC NATIONAL LIFE COMPANY

Incidentdiscovered Feb 3, 2020

Stated responseSecured the account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov