HackingTelecom & MediaInformationCustomer Data InvolvedPIIIdentity (basic)LowContained

The Metropolitan Opera Guild, Inc.

bd_8d37d424cf737d37 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 6, 2022

Filed

May 3, 2023

To disclose

21 weeks

Affected

Not disclosed

Linked

11 records

Confidence

64%

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

The Metropolitan Opera identified suspicious activity on December 6, 2022. An investigation revealed an unknown actor accessed systems between September 30 and December 6, 2022, potentially accessing personal information. The organization secured its network, engaged forensic specialists, notified federal law enforcement, and is offering 12 months of identity monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d21 weeks discovery → filing

Incident timeline

undetected · 67 days

discovery → filing · 21 weeks / 148 days

Sep 30, 2022

Begins

Dec 6, 2022

Discovered

May 3, 2023

Filed

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

Massachusetts State AGbd_ceea854d5023fa522023-05-03Verified by operator
Vermont State AGbd_f97a0a324bb7ac212023-05-03Verified 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: Telecom & Mediallm

Discovered: Dec 6, 2022
Breach occurred: Sep 30, 2022 – Dec 6, 2022
Undetected for: 67 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified federal law enforcement

During the incident: Took steps to secure our network
Brought in a team of information technology specialists
Conducted an investigation by third party forensic specialists
Notified federal law enforcement
Cooperated with federal law enforcement 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: 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

Massachusetts State AGMay 3 · first

Vermont State AGMay 3 · first

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-566283
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: 9534e2cb1a326b5a8b55228d817c0a71668a569c65d519dcbfbea6711b1085ac

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 steps to secure our network

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov