HackingOtherData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

The Metropolitan Opera Guild, Inc.

bd_c88cdd648a8d499a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 6, 2022

Filed

May 31, 2023

To disclose

25 weeks

Affected

201state residents only

Linked

11 records

Confidence

66%

Full breach record for The Metropolitan Opera Guild, Inc. →3 incidents on file

The Metropolitan Opera filed a supplemental notice with the New Hampshire AG regarding a data breach. An unknown actor accessed systems between Sept 30 and Dec 6, 2022. Suspicious activity was detected on Dec 6, 2022. The incident involved personal information of 201 NH residents. The Met engaged third-party specialists, notified law enforcement, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d25 weeks discovery → filing

Incident timeline

undetected · 67 days

discovery → filing · 25 weeks / 176 days

Sep 30, 2022

Begins

Dec 6, 2022

Discovered

May 31, 2023

Filed

vs. sector median

+19 wks slower

This filing is one of 11 records about the same incident.View merged incident

A leak claim by snatch about this victim was first seen 90 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitesnatchbd_22ee330cda5d53342023-03-02 · +90dVerified by operator

Regulatory filings (9) · sorted by filing gap

Maine State AGbd_21e3c00dcbe1d3a52023-05-22 · +9dVerified by operator
California State AGbd_b9bc691f94c352222023-05-22 · +9dVerified by operator
Maine State AGbd_1714f3733587599d2023-05-03 · +28dVerified by operator
Indiana State AGbd_53ab1a99282e83d22023-05-03 · +28dVerified

Show 5 more filings ↓up to 28d gap

Montana State AGbd_67aa71088692d3792023-05-03 · +28dVerified by operator
Oregon State AGbd_8d106420674429012023-05-03 · +28dVerified by operator
California State AGbd_8d37d424cf737d372023-05-03 · +28dVerified
Massachusetts State AGbd_ceea854d5023fa522023-05-03 · +28dVerified by operator
Vermont State AGbd_f97a0a324bb7ac212023-05-03 · +28dVerified by operator

Name: The Metropolitan Opera Guild, Inc.
norm: the metropolitan opera guild

Name: The Metropolitan Opera Guild, Inc.
norm: the metropolitan opera guild
Industry: Otherllm

Discovered: Dec 6, 2022
Breach occurred: Sep 30, 2022 – Dec 6, 2022
Undetected for: 67 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 4, 2023
Affected individuals: 201state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified federal law enforcement regarding the eventProviding written notice of this incident to relevant state regulators

During the incident: Moved quickly to investigate and respond to the incident
Assessed the security of the Met systems
Identified potentially affected individuals
Notified federal law enforcement regarding the event
Provided access to credit monitoring services for twelve (12) months, through Kroll
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Implementing additional safeguards and training to its employees
Reviewing and further strengthening its systems setup, policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(176 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 8 states

View merged incident ↗

Maine State AGMay 3 · first

Indiana State AGMay 3 · first

Montana State AGMay 3 · first

Oregon State AGMay 3 · first

California State AGMay 3 · first

Massachusetts State AGMay 3 · first

Vermont State AGMay 3 · first

Maine State AG+19d

California State AG+19d

New Hampshire State AG+28d · this page

Pattern: first filing May 3 (ME), last May 31 (NH) — a 28-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/metropolitan-opera-house-20230531.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 31, 2023
Raw hash: 25a14f654e395401b267b7c92ee9afd89bf56f6f66cc1876057bab1410c01ec6

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityThe Metropolitan Opera Guild, Inc.

Victim entityThe Metropolitan Opera Guild, Inc.

Incidentdiscovered Dec 6, 2022

Stated responseMoved quickly to investigate and respond to the incident

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov