HackingTelecom & MediaInformationStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDMediumContained

Los Angeles Philharmonic Association

bd_d3aced5b2d4a77f6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 16, 2020

Filed

Mar 4, 2021

To disclose

11 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

65%

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

Los Angeles Philharmonic Association reported unauthorized access to an employee's email account between December 3 and December 16, 2020. The incident was discovered on December 16, 2020. Affected individuals may have had their name, address, date of birth, passport number, and Social Security number exposed. The organization secured the account, engaged forensic investigators, and offered credit monitoring.

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California clockDiscovered Dec 16, 2020 → Notified Feb 1, 202147d ✓ CA 60-day OK11 weeks discovery → filing

Incident timeline

undetected · 13 days

discovery → filing · 11 weeks / 78 days

Dec 3, 2020

Begins

Dec 16, 2020

Discovered

Mar 4, 2021

Filed

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

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_282b96e74c1f8e612021-03-04Candidate
Montana State AGbd_8591916249422eda2021-03-04Verified
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: Telecom & Mediallm

Discovered: Dec 16, 2020
Breach occurred: Dec 3, 2020 – Dec 16, 2020
Undetected for: 13 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 1, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Took measures to secure the email account
Contacted law enforcement
Launched an internal investigation
Engaged a cybersecurity firm to assist in a full forensic analysis
Changes made: Enhanced existing electronic security protocols
Re-educated staff for awareness on these types of incidents
Offering a complimentary membership of Experian’s IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(78 days from discovery to filing)
Compliance flags: CA 60-day OK · 47d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Dec 16, 2020
→ Notified: Feb 1, 2021
47d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Dec 16, 2020 → Notified: Feb 1, 2021	47d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maine State AGMar 4 · first

Montana State AGMar 4 · first

Massachusetts State AGMar 4 · first

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-538912
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: e71a7e55a6d318847270bf200b605a67b5e33f23b4155f92379333696f64ea30

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityLos Angeles Philharmonic Association

Victim entityLos Angeles Philharmonic Association

Incidentdiscovered Dec 16, 2020

Stated responseTook measures to secure the email account

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov