Social EngineeringHealthcareFinancial ServicesHealthcarePhishingStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDPIIMediumContained

Delta Dental of Illinois

bd_95103605b2f3b241 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 19, 2019

Filed

Oct 28, 2019

To disclose

10 weeks

Affected

1state residents only

Linked

3 filings

Confidence

65%

Full breach record for Delta Dental of Illinois →2 incidents on file

Delta Dental of Illinois notified Montana residents of a phishing incident where an employee's email credentials were stolen. Access occurred Aug 3-19, 2019. Affected data included names, DOBs, SSNs, and insurance info. The company engaged forensic investigators, reset passwords, and offered one year of identity protection.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 16 days

discovery → filing · 10 weeks / 70 days

Aug 3, 2019

Begins

Aug 19, 2019

Discovered

Oct 28, 2019

Filed

vs. sector median

3 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

HHS OCRbd_a90c5cad221a2ab92019-10-25 · +3dVerified
Massachusetts State AGbd_ba73fdb641ab370f2019-10-25 · +3dVerified

Name: Delta Dental of Illinois
norm: delta dental of illinois
Domain: deltadentalil.com

Name: Delta Dental of Illinois
norm: delta dental of illinois
Domain: deltadentalil.com
Industry: HealthcarellmFinancial Servicesllm

Discovered: Aug 19, 2019
Breach occurred: Aug 3, 2019 – Aug 19, 2019
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Social Security numberDate of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Initiating an internal investigation
Retaining an independent forensic investigation firm to assist us in our investigation of and response to this incident
Reset employee account passwords
Implemented additional email security tools
Consulted with law enforcement
Changes made: Implemented additional email security tools to help prevent this type of incident from reoccurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(70 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 ↗

HHS OCROct 25 · first

Massachusetts State AGOct 25 · first

Montana State AG+3d · 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-16.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 28, 2019
Raw hash: 305e804ed996ceb5ddece8bf990d5ec2a0f8defebf8bf1210893fc50bb109499

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityDelta Dental of Illinois

Victim entityDelta Dental of Illinois

Incidentdiscovered Aug 19, 2019

Stated responseInitiating an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov