HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Financial accountMediumResolved

Index Fund Advisors, Inc.

bd_0ae3681a54544274 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 30, 2021

Filed

Dec 17, 2021

To disclose

17 days

Affected · nationwide

8,9743 in this filing

Linked

8 filings

Confidence

66%

Full breach record for Index Fund Advisors, Inc. →

Index Fund Advisors, Inc. reported an external system breach (hacking) occurring on 08/05/2021, discovered on 11/30/2021. The incident compromised names and financial account numbers (including credit/debit card numbers with security codes/PINs). 8,974 individuals were affected, including 3 Maine residents. Written notification was sent on 12/17/2021, offering 12 months of credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 30, 2021 → Filed with AG Dec 17, 202117d ✓ ME AG ≤30d17 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 117 days

discovery → filing · 17 days

Aug 5, 2021

Begins

Nov 30, 2021

Discovered

Dec 17, 2021

Filed

vs. sector median

6 wks faster

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

California State AGbd_0d93c75dfd599b2c2021-12-17Verified
Massachusetts State AGbd_78ff063fdec91bbe2021-12-17Verified
Indiana State AGbd_b688f29701c2be002021-12-17Verified
New Hampshire State AGbd_641bfbfc299e09c22021-12-27 · +10dVerified

Show 3 more filings ↓up to 26d gap

Maine State AGbd_1e8a953c14fe0d982022-01-06 · +20dVerified
Montana State AGbd_40ab1b9a6ec270742022-01-06 · +20dVerified
New Hampshire State AGbd_149450664aa088cc2022-01-12 · +26dVerified

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

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

Discovered: Nov 30, 2021
Breach occurred: Aug 5, 2021
Undetected for: 117 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 17, 2021
Affected individuals: 8,974state + nationwide
Data types: Identity (basic)Financial account
Data elements: Financial account number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed breach notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of complimentary credit monitoring through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 days(17 days from discovery to filing)
Compliance flags: ME AG ≤30d · 17d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Nov 30, 2021
→ Filed with AG: Dec 17, 2021
17d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 30, 2021 → Filed with AG: Dec 17, 2021	17d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 6 states

View merged incident ↗

California State AGDec 17 · first

Massachusetts State AGDec 17 · first

Indiana State AGDec 17 · first

Maine State AGDec 17 · first · this page

New Hampshire State AG+10d

Maine State AG+20d

Montana State AG+20d

New Hampshire State AG+26d

Pattern: first filing Dec 17 (CA), 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/2ee2cf3f-2c97-4937-aeda-33ec2e00cc3f.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 17, 2021
Raw hash: f0fb89ba6bcd0088cf5388495a3f014783091450bf32c269e6f9f2170101428f

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityIndex Fund Advisors, Inc.

Victim entityIndex Fund Advisors, Inc.

Incidentdiscovered Nov 30, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov