HackingOtherCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)MediumContained

Rochester Philharmonic Orchestra

bd_87fc6915934ecfc8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 11, 2025

Filed

May 27, 2026

To disclose

—

Affected

3state residents only

Confidence

66%

Full breach record for Rochester Philharmonic Orchestra →2 incidents on file

Rochester Philharmonic Orchestra (RPO) notified the Nebraska Attorney General of a data security incident affecting 3 Nebraska residents. Unauthorized access occurred on October 21, 2025, when servers went offline. RPO engaged cybersecurity experts, determining on November 11, 2025, that specific network sections were accessed. Personal information, including names, SSNs, driver's license numbers, health/medical information, and passport numbers, may have been compromised. No evidence of misuse was found. RPO notified residents on May 27, 2026, and offered 12 months of credit monitoring and identity protection services through IDX.

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Leak gap clock✗ Leak >180d

⚠ 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 · 21 days

Oct 21, 2025

Begins

Nov 11, 2025

Discovered

May 27, 2026

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3 affectedView incident

A leak claim by akira about this victim predates this filing by 224 days.View originating leak claim

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Rochester Philharmonic Orchestra
norm: rochester philharmonic orchestra
Domain: rpo.org
Industry: Otherllm

Discovered: Nov 11, 2025
Breach occurred: Oct 21, 2025
Undetected for: 21 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 27, 2026
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government IDHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed Notice of Data Security Incident with Nebraska Attorney General
Initial access: exploit_public_facing

During the incident: Engaged independent cybersecurity experts
Launched a forensics investigation
Implemented additional security measures
Notified affected individuals
Offered complimentary credit monitoring and identity protection services through IDX
Changes made: Implemented additional security measures to further harden its environment
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
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.

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://nebraska.gov/ago/data-breach/documents/4b0ecdd8-eb5a-4e6a-ab26-cfd8a122090b.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 27, 2026
Raw hash: 2dd7ccf425b9f8466423a9fc7e0a5e38261f51869d299d8e650fe8075f9e18d5

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityRochester Philharmonic Orchestra

Incidentdiscovered Nov 11, 2025

Stated responseEngaged independent cybersecurity experts

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov