HackingConstructionPIIIdentity (basic)LowActive

Rockrose Development

bd_327fd30fe6daab6c · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Dec 12, 2025

To disclose

—

Affected

41state residents only

Linked

9 records

Confidence

69%

Full breach record for Rockrose Development →

Rockrose Development L.L.C. notified the New Hampshire Attorney General of a cybersecurity attack in which unauthorized individuals accessed systems and acquired confidential information. Approximately 41 New Hampshire residents were impacted. The company engaged third-party experts, implemented safeguards, and offered 24 months of Experian IdentityWorks.

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Leak gap clock⏱ Leak >90d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Dec 12, 2025

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

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

A leak claim by play about this victim was first seen 151 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteplaybd_aaa9c5b7ccde1d512025-07-04 · +161dVerified by operator

Regulatory filings (7) · sorted by filing gap

Nebraska State AGbd_00d7163709e0a38c2025-12-12Verified by operator
Massachusetts State AGbd_25c4b263066579c52025-12-12Verified by operator
Indiana State AGbd_75178716da4cecff2025-12-12Verified
Vermont State AGbd_8f67a2bc7c1abe0e2025-12-12Verified

Show 3 more filings ↓

Maine State AGbd_b356f77ac27998582025-12-12Verified
Texas State AGbd_d9ccc4ea910fc3472025-12-12Verified
California State AGbd_dd2409a79ea592452025-12-12Verified

Name: Rockrose Development
norm: rockrose development
Domain: rockrose.com

Name: Rockrose Development
norm: rockrose development
Domain: rockrose.com

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 41state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General

During the incident: Launched an investigation and engaged third-party experts
Implemented additional cybersecurity safeguards
Working closely with our internal and external experts to further enhance the security of our systems
Offering complimentary access to Experian IdentityWorksSM for 24 months to New Hampshire residents
Changes made: Engaged third-party experts to assist in the investigation
Working with leading security experts and legal counsel to evaluate, mature, and revamp its IT and security programs to enhance its privacy and security posture
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >90d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Nebraska State AGDec 12 · first

Massachusetts State AGDec 12 · first

Indiana State AGDec 12 · first

Vermont State AGDec 12 · first

Maine State AGDec 12 · first

Texas State AGDec 12 · first

California State AGDec 12 · first

New Hampshire State AGDec 12 · 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://mm.nh.gov/files/uploads/doj/remote-docs/rockrose-development-20251212.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 12, 2025
Raw hash: c75c2697d67cd5c98999cc066c4a24a21e92905bf4477ad3b8c56acc6f8f8a35

Linked disclosures

Ransomware claims (1)

Regulatory filings (7) · sorted by filing gap

Reporting entityRockrose Development

Victim entityRockrose Development

IncidentUnauthorized Access

Stated responseLaunched an investigation and engaged third-party experts

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov