HackingOtherCustomer Data InvolvedData ExfiltratedDelayed DiscoveryIdentity (basic)Government IDHigh

Detroit Symphony Orchestra

bd_f7448b52c6a73761 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 26, 2024

Filed

Apr 1, 2024

To disclose

6 days

Affected · nationwide

6,7784 in this filing

Linked

8 filings

Confidence

67%

Full breach record for Detroit Symphony Orchestra →

Detroit Symphony Orchestra reported a data breach affecting 6,778 individuals, which was discovered on March 26, 2024. The breach occurred on September 19, 2023, as a result of an external system breach (hacking). The compromised information included names and Social Security numbers. The organization began notifying affected individuals on April 1, 2024, and offered 12 months of credit monitoring and identity protection services through TransUnion.

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Leak gap clock✗ Leak >180d6 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 189 days

discovery → filing · 6 days

Sep 19, 2023

Begins

Mar 26, 2024

Discovered

Apr 1, 2024

Filed

vs. sector median

7 wks faster

This filing is one of 8 about the same incident.View merged incident

A leak claim by dispossessor about this victim predates this filing by 190 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitesnatchbd_ca38a94d8a0d7c0c2023-11-01 · +152dVerified by operator
Leak Sitedispossessorbd_a8f30121c1ab9f032023-09-24 · +190dVerified by operator

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_34fc68c84112c0752024-04-01Verified
Montana State AGbd_919f3f213ee92ff02024-04-01Candidate
Vermont State AGbd_9d8c8188ac7132152024-04-01Verified
New Hampshire State AGbd_adf7430409ccfd8b2024-04-01Verified

Show 1 more filing ↓

Indiana State AGbd_b634aa9051f7fd402024-04-01Verified

Name: Detroit Symphony Orchestra
norm: detroit symphony orchestra
Domain: dso.org

Name: Detroit Symphony Orchestra
norm: detroit symphony orchestra
Domain: dso.org
Industry: Otherllm

Discovered: Mar 26, 2024
Breach occurred: Sep 19, 2023
Undetected for: 189 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 1, 2024
Affected individuals: 6,778state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

During the incident: Sent written notification to affected individuals
Offered 12 months of credit monitoring, identity restoration services, and identity protection insurance through TransUnion
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 days(6 days from discovery to filing)
Compliance flags: Leak >180dME AG ≤30d · 6d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Mar 26, 2024
→ Filed with AG: Apr 1, 2024
6d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 26, 2024 → Filed with AG: Apr 1, 2024	6d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Massachusetts State AGApr 1 · first

Montana State AGApr 1 · first

Vermont State AGApr 1 · first

New Hampshire State AGApr 1 · first

Indiana State AGApr 1 · first

Maine State AGApr 1 · 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/daecd763-4524-478a-9a6a-3a4ac5529b78.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 1, 2024
Raw hash: 8d47cf4f20c1d38f4854f93ff47e858107660ece220a6bf4933ca2ac98b57360

Linked disclosures

Ransomware claims (2)

Regulatory filings (5) · sorted by filing gap

Reporting entityDetroit Symphony Orchestra

Victim entityDetroit Symphony Orchestra

Incidentdiscovered Mar 26, 2024

Stated responseSent written notification to affected individuals

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov