HackingOtherData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Los Angeles Philharmonic Association

bd_282b96e74c1f8e61 · schema v1 · pii pii-v1

Severity

High

Discovered

Feb 1, 2021

Filed

Mar 4, 2021

To disclose

4 weeks

Affected · nationwide

9,4172 in this filing

Linked

4 filings

Confidence

66%

Full breach record for Los Angeles Philharmonic Association →2 incidents on file

Los Angeles Philharmonic Association reported an external system breach occurring between December 3 and 16, 2020, discovered on February 1, 2021. The incident affected 9,417 individuals, including 2 Maine residents. Personal information, specifically names combined with Social Security Numbers, was acquired. The organization provided written notification and offered one year of credit monitoring services through Experian.

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Maine clockDiscovered Feb 1, 2021 → Filed with AG Mar 4, 202131d ⏱ ME AG >30d4 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 · 60 days

discovery → filing · 4 weeks / 31 days

Dec 3, 2020

Begins

Feb 1, 2021

Discovered

Mar 4, 2021

Filed

vs. sector median

1 wks faster

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_8591916249422eda2021-03-04Verified
California State AGbd_d3aced5b2d4a77f62021-03-04Verified
Massachusetts State AGbd_e4fd50ae64aab62e2021-03-04Verified

Name: Los Angeles Philharmonic Association
norm: los angeles philharmonic

Name: Los Angeles Philharmonic Association
norm: los angeles philharmonic
Industry: Otherllm

Discovered: Feb 1, 2021
Breach occurred: Dec 3, 2020 – Dec 16, 2020
Undetected for: 60 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 4, 2021
Affected individuals: 9,417state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered one year of credit monitoring and identity theft protection services through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(31 days from discovery to filing)
Compliance flags: ME AG >30d · 31d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Feb 1, 2021
→ Filed with AG: Mar 4, 2021
31d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Feb 1, 2021 → Filed with AG: Mar 4, 2021	31d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGMar 4 · first

California State AGMar 4 · first

Massachusetts State AGMar 4 · first

Maine State AGMar 4 · 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-a1252b4f8318/08056ee5-616c-4a0a-be52-4dd682e560af.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 4, 2021
Raw hash: 9e812834734f29a6d582b371004b0d3962563dd09d0d941a2747523dab452ebf

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityLos Angeles Philharmonic Association

Victim entityLos Angeles Philharmonic Association

Incidentdiscovered Feb 1, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov