HackingOtherCustomer Data InvolvedPIIMediumContained

Rochester Philharmonic Orchestra

bd_c1c85951f3e733f2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 11, 2025

Filed

May 28, 2026

To disclose

28 weeks

Affected · nationwide

1,7263 in this filing

Linked

9 filings

Confidence

65%

Full breach record for Rochester Philharmonic Orchestra →

Rochester Philharmonic Orchestra (NY) reported an external system breach (hacking) occurring on 10/21/2025, discovered on 11/11/2025. The incident affected 1,726 individuals, including 3 Maine residents. The organization provided 12 months of credit monitoring services to affected parties.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 11, 2025 → Filed with AG May 28, 2026198d ✗ ME AG >90d28 weeks 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 · 21 days

discovery → filing · 28 weeks / 198 days

Oct 21, 2025

Begins

Nov 11, 2025

Discovered

May 28, 2026

Filed

vs. sector median

+20 wks slower

This filing is one of 9 about the same incident.View merged incident

A leak claim by akira about this victim predates this filing by 225 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siteakirabd_a657d39e33120bb92025-11-25 · +184dVerified by operator
Leak Siteakirabd_3e1555b835a5290a2025-10-15 · +225dVerified by operator

Regulatory filings (6) · sorted by filing gap

Massachusetts State AGbd_253bda8c448c14ad2026-05-28Verified by operator
New Hampshire State AGbd_87299a39b808c71e2026-05-29 · +1dVerified by operator
Vermont State AGbd_b02eb26d4824fec92026-05-29 · +1dVerified by operator
Indiana State AGbd_74744a5301dae8922026-05-27 · +1dVerified by operator

Show 2 more filings ↓up to 225d gap

Nebraska State AGbd_87fc6915934ecfc82026-05-27 · +1dVerified by operator
Pressakirabd_d4a7f57346bbcdb02025-10-15 · +225dCandidate

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

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: 1,726state + nationwide
Data types: PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Provided 12 months of credit monitoring services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(198 days from discovery to filing)
Compliance flags: ME AG >90d · 198dME resident >180d · 197dLeak >180d
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: Nov 11, 2025
→ Filed with AG: May 28, 2026
198d 90 days ME AG >90d
Maine
Discovered: Nov 11, 2025
→ Notified: May 27, 2026
197d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 11, 2025 → Filed with AG: May 28, 2026	198d	90 days	ME AG >90d
Maine	Discovered: Nov 11, 2025 → Notified: May 27, 2026	197d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

PressOct 15 · first

Indiana State AG+224d

Nebraska State AG+224d

Massachusetts State AG+225d

Maine State AG+225d · this page

New Hampshire State AG+226d

Vermont State AG+226d

Pattern: first filing Oct 15, last May 29 (VT) — a 226-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/9da66eab-c25d-4e8a-9f05-47a9ece1b884.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 28, 2026
Raw hash: 8871a308249996c0da25bbf550ca2e48a2aa4fc708050211c85ec04016bec2f1

Linked disclosures

Ransomware claims (2)

Regulatory filings (6) · sorted by filing gap

Reporting entityRochester Philharmonic Orchestra

Victim entityRochester Philharmonic Orchestra

Incidentdiscovered Nov 11, 2025

Stated responseProvided 12 months of credit monitoring services

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov