HackingHealthcareHealthcareVulnerability ExploitTargetedData ExfiltratedIdentity (basic)Financial accountFinancial credentialsLowContained

THE MASSACHUSETTS MEDICAL SOCIETY

bd_c2958815b180d788 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 13, 2024

Filed

Dec 26, 2024

To disclose

6 weeks

Affected · nationwide

2461 in this filing

Linked

5 filings

Confidence

66%

Full breach record for THE MASSACHUSETTS MEDICAL SOCIETY →

Massachusetts Medical Society (MMS) disclosed a security incident where unauthorized code was installed on its e-commerce checkout page (nejm.org) between Oct 3-11, 2024. The code captured customer data including names, addresses, emails, and payment card details. MMS discovered the incident on Nov 13, 2024, and notified affected individuals on Dec 26, 2024. Total affected: 246 individuals (1 in Maine).

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Maine clockDiscovered Nov 13, 2024 → Filed with AG Dec 26, 202443d ⏱ ME AG >30d6 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 · 41 days

discovery → filing · 6 weeks / 43 days

Oct 3, 2024

Begins

Nov 13, 2024

Discovered

Dec 26, 2024

Filed

vs. sector median

3 wks faster

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Vermont State AGbd_6afeeac98ff203692024-12-26Verified
Indiana State AGbd_7887a2f3ee5587b42024-12-26Verified
New Hampshire State AGbd_c0cc85ac9e9879d62024-12-26Verified
Massachusetts State AGbd_e131f8680ea04c372024-12-26Verified

Name: THE MASSACHUSETTS MEDICAL SOCIETY
norm: the massachusetts medical society

Name: THE MASSACHUSETTS MEDICAL SOCIETY
norm: the massachusetts medical society
Industry: Healthcarellm

Discovered: Nov 13, 2024
Breach occurred: Oct 3, 2024 – Oct 11, 2024
Undetected for: 41 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 26, 2024
Affected individuals: 246state + nationwide
Data types: Identity (basic)Financial accountFinancial credentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Launched an investigation
Removed the unauthorized code
Enhanced technical safeguards
Changes made: Enhanced technical safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(43 days from discovery to filing)
Compliance flags: ME AG >30d · 43d
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 13, 2024
→ Filed with AG: Dec 26, 2024
43d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 13, 2024 → Filed with AG: Dec 26, 2024	43d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Vermont State AGDec 26 · first

Indiana State AGDec 26 · first

New Hampshire State AGDec 26 · first

Massachusetts State AGDec 26 · first

Maine State AGDec 26 · first · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/d838752f-83be-48fe-8ebe-515d641ba4b5.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 26, 2024
Raw hash: 37259196597049c6314eabea635b7d939fab757f2f50c203061b21e8c1a838ec

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityTHE MASSACHUSETTS MEDICAL SOCIETY

Victim entityTHE MASSACHUSETTS MEDICAL SOCIETY

Incidentdiscovered Nov 13, 2024

Stated responseLaunched an investigation

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov