HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Index Fund Advisors, Inc.

bd_641bfbfc299e09c2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 5, 2021

Filed

Dec 27, 2021

To disclose

21 weeks

Affected

7state residents only

Linked

8 filings

Confidence

66%

Full breach record for Index Fund Advisors, Inc. →

Index Fund Advisors, Inc. notified the NH AG of unauthorized access to systems on Aug 5, 2021, affecting 7 NH residents. Data included names, SSNs, and financial account info. IFA engaged forensic investigators, implemented safeguards, and offered 12 months of credit monitoring via Experian.

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Incident timeline

discovery → filing · 21 weeks / 144 days

Aug 5, 2021

Begins

Aug 5, 2021

Discovered

Dec 27, 2021

Filed

vs. sector median

+12 wks slower

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Maine State AGbd_1e8a953c14fe0d982022-01-06 · +10dVerified
Montana State AGbd_40ab1b9a6ec270742022-01-06 · +10dVerified
Maine State AGbd_0ae3681a545442742021-12-17 · +10dCandidate
California State AGbd_0d93c75dfd599b2c2021-12-17 · +10dVerified

Show 3 more filings ↓up to 16d gap

Massachusetts State AGbd_78ff063fdec91bbe2021-12-17 · +10dVerified
Indiana State AGbd_b688f29701c2be002021-12-17 · +10dVerified
New Hampshire State AGbd_149450664aa088cc2022-01-12 · +16dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Index Fund Advisors, Inc.
norm: index fund advisors
Domain: ifa.com
Industry: Financial Servicesllm

Discovered: Aug 5, 2021
Breach occurred: Aug 5, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 17, 2021
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Enlisted a third-party forensic investigation firm to assist with the investigation
Moved quickly to investigate and respond to the incident
Assess the security of IFA systems
Notify potentially affected individuals
Providing access to credit monitoring services for twelve (12) months, through Experian
Changes made: Implementing additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(144 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 6 states

View merged incident ↗

Maine State AGDec 17 · first

California State AGDec 17 · first

Massachusetts State AGDec 17 · first

Indiana State AGDec 17 · first

New Hampshire State AG+10d · this page

Maine State AG+20d

Montana State AG+20d

New Hampshire State AG+26d

Pattern: first filing Dec 17 (ME), last Jan 12 (NH) — a 26-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/index-fund-advisors-20211227.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 27, 2021
Raw hash: d6ab9fe2d72f304f061fb7a6be6c43cbf1581fd2aabe16ae0c24713bc6d3df9c

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityIndex Fund Advisors, Inc.

Incidentdiscovered Aug 5, 2021

Stated responseEnlisted a third-party forensic investigation firm to assist with the investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov