HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

MARSH & MCLENNAN COMPANIES, INC.

bd_8767e869d58fdbbb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 26, 2021

Filed

Dec 30, 2021

To disclose

35 weeks

Affected

367state residents only

Linked

7 filings

Confidence

75%

Full breach record for MARSH & MCLENNAN COMPANIES, INC. →7 incidents on file

A vulnerability in a third-party vendor's software allowed unauthorized actors to exfiltrate data. The breach affected 367 Maine residents, exposing their names and driver's license or non-driver identification card numbers. The incident occurred between April 17 and April 30, 2021, and was discovered on April 26, 2021.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Apr 26, 2021 → Filed with AG Dec 30, 2021248d ✗ ME AG >90d35 weeks 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 · 9 days

discovery → filing · 35 weeks / 248 days

Apr 17, 2021

Begins

Apr 26, 2021

Discovered

Dec 30, 2021

Filed

vs. sector median

+27 wks slower

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Oregon State AGbd_e9678b0aaa98aeb82021-07-01 · +182dVerified
Washington State AGbd_5f0d93b73a89ebf12021-06-30 · +183dCandidate
New Hampshire State AGbd_7ce38a76e14396742021-06-30 · +183dVerified
Montana State AGbd_983239faa83781892021-06-30 · +183dVerified

Show 2 more filings ↓up to 183d gap

South Carolina State AGbd_f54cc90d7abb48352021-06-30 · +183dVerified
California State AGbd_fa303094cee7b57b2021-06-30 · +183dVerified

Name: MARSH & MCLENNAN COMPANIES, INC.
norm: marsh mclennan companies

Name: MARSH & MCLENNAN COMPANIES, INC.
norm: marsh mclennan companies
Industry: Financial Servicesllm

Discovered: Apr 26, 2021
Breach occurred: Apr 17, 2021 – Apr 30, 2021
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 30, 2021
Affected individuals: 367state-resident count only
Data types: Identity (basic)Government ID
Data elements: Driver's licence number
Attack vector: Third-Party / Supply Chain

Changes made: Offered two (2) years of complimentary credit and identity theft monitoring services from Experian.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(248 days from discovery to filing)
Compliance flags: ME AG >90d · 248dME resident >60d · 65d
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: Apr 26, 2021
→ Filed with AG: Dec 30, 2021
248d 90 days ME AG >90d
Maine
Discovered: Apr 26, 2021
→ Notified: Jun 30, 2021
65d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Apr 26, 2021 → Filed with AG: Dec 30, 2021	248d	90 days	ME AG >90d
Maine	Discovered: Apr 26, 2021 → Notified: Jun 30, 2021	65d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Washington State AGJun 30 · first

New Hampshire State AGJun 30 · first

Montana State AGJun 30 · first

South Carolina State AGJun 30 · first

California State AGJun 30 · first

Oregon State AG+1d

Maine State AG+183d · this page

Pattern: first filing Jun 30 (WA), last Dec 30 (ME) — a 183-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/b8f6d169-0b81-446c-9af3-7ddb7931c86c.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 30, 2021
Raw hash: 90262cb16aead8ee5a7d09e35da50f34d66046d95ed53587ba10bd78385ae489

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMARSH & MCLENNAN COMPANIES, INC.

Victim entityMARSH & MCLENNAN COMPANIES, INC.

Incidentdiscovered Apr 26, 2021

Stated responseOffered two (2) years of complimentary credit and identity theft monitoring services from Experian.

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov