HackingOtherStolen CredentialsDelayed DiscoveryIdentity (basic)Government IDMediumContained

The Metropolitan Opera Guild, Inc.

bd_f97a0a324bb7ac21 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 6, 2022

Filed

May 3, 2023

To disclose

21 weeks

Affected

Not disclosed

Linked

11 records

Confidence

65%

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

The Metropolitan Opera notified consumers of a data breach where an unknown actor accessed systems between September 30 and December 6, 2022. The incident involved unauthorized access to personal information, including names and government IDs. The Met engaged forensic specialists, notified federal law enforcement, and offered 12 months of identity monitoring. A specific count of 161 Rhode Island residents was disclosed in the attachment.

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Vermont clock✗ VT AG >45 bday21 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 67 days

discovery → filing · 21 weeks / 148 days

Sep 30, 2022

Begins

Dec 6, 2022

Discovered

May 3, 2023

Filed

vs. sector median

+15 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 62 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitesnatchbd_22ee330cda5d53342023-03-02 · +62dVerified by operator

Regulatory filings (9) · sorted by filing gap

Maine State AGbd_1714f3733587599d2023-05-03Verified by operator
Indiana State AGbd_53ab1a99282e83d22023-05-03Verified
Montana State AGbd_67aa71088692d3792023-05-03Verified by operator
Oregon State AGbd_8d106420674429012023-05-03Verified by operator

Show 5 more filings ↓up to 28d gap

California State AGbd_8d37d424cf737d372023-05-03Verified
Massachusetts State AGbd_ceea854d5023fa522023-05-03Verified by operator
Maine State AGbd_21e3c00dcbe1d3a52023-05-22 · +19dVerified by operator
California State AGbd_b9bc691f94c352222023-05-22 · +19dVerified by operator
New Hampshire State AGbd_c88cdd648a8d499a2023-05-31 · +28dVerified

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 3, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified federal law enforcement
Initial access: valid_credentials

During the incident: Took immediate steps to secure our environment and investigate the activity
Commenced an investigation that included working with an outside team of specialists
Notified federal law enforcement about this event and have cooperated with their investigation
Offering complimentary Identity Monitoring services through Kroll for 12 months
Changes made: Reviewing and further strengthening our systems setup, policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(148 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >30d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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 · this page

Maine State AG+19d

California State AG+19d

New Hampshire State AG+28d

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://ago.vermont.gov/document/2023-05-03-metropolitan-opera-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 3, 2023
Raw hash: bdefecce7fd6f922744e1814db2a49e9a14b0a32837fe4cb2510e6a46b869c52

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 responseTook immediate steps to secure our environment and investigate the activity

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov