Social EngineeringFinancial ServicesHealthcareFinancePhishingBECSupply Chain (3P Vendor)Customer Data InvolvedRansom DemandedPIIIdentity (basic)LowContained

Multiplan, Inc

bd_8120775c18837313 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 27, 2021

Filed

Oct 26, 2021

To disclose

39 weeks

Affected

4state residents only

Linked

2 filings

Confidence

66%

Aspen American Insurance Company notified Montana residents of a data breach involving its vendor, Multiplan, Inc. Between Dec 23, 2020 and Jan 27, 2021, an outside actor accessed a Multiplan employee's email account via phishing, potentially diverting wire payments and accessing customer billing information. Multiplan terminated access, reset credentials, engaged forensic experts, and notified law enforcement. Aspen offered 2 years of credit monitoring.

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Incident timeline

undetected · 35 days

discovery → filing · 39 weeks / 272 days

Dec 23, 2020

Begins

Jan 27, 2021

Discovered

Oct 26, 2021

Filed

vs. sector median

+30 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_54e81f2742c542682021-10-22 · +4dVerified

Name: Aspen American Insurance Company
norm: aspen american insurance

Name: Multiplan, Inc
norm: multiplan
Industry: Financial ServicesllmHealthcarellm

Discovered: Jan 27, 2021
Breach occurred: Dec 23, 2020 – Jan 27, 2021
Undetected for: 35 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 4state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: reported this matter to law enforcement
Third party: via Multiplan, Inc
Initial access: phishing_link

During the incident: Terminated the unauthorized access
Changed the employee’s credentials
Commenced an investigation supported by forensics experts
Reported this matter to law enforcement
Arranged with the vendor for you to receive an offer of credit monitoring at no cost to you for a period of two years
Changes made: Taken actions to reinforce its existing security protocols and processes
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 39 weeks(272 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGOct 22 · first

Montana State AG+4d · 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-Notification-Letter-33.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 26, 2021
Raw hash: 425aeaac8d9bd4e95a0177dd7bdf6a275f96e92b7fbff145b1592536db997030

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityAspen American Insurance Company

Victim entityMultiplan, Inc

Incidentdiscovered Jan 27, 2021

Stated responseTerminated the unauthorized access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov