MalwareOtherRansomwareData ExfiltratedData EncryptedRansom DemandedGovernment IDIdentity (basic)Health (basic)Financial accountMediumContained

Sedgebrook OpCo SL VII LLC

bd_c41fc5975bf259bf · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 5, 2025

Filed

Oct 23, 2025

To disclose

24 weeks

Affected

1state residents only

Linked

4 filings

Confidence

65%

Full breach record for Sedgebrook OpCo SL VII LLC →2 incidents on file

Sedgebrook OpCo SL VII LLC reported a ransomware incident to New Hampshire AG on Oct 23, 2025. Unauthorized access occurred May 4-5, 2025. One NH resident's PII (SSN, DOB, medical/insurance info) was accessed. Sedgebrook engaged forensic investigators, notified law enforcement, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 24 weeks / 171 days

May 4, 2025

Begins

May 5, 2025

Discovered

Oct 23, 2025

Filed

vs. sector median

+16 wks slower

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

HHS OCRbd_65c59fc20bd9ce8c2025-10-23Verified
Nebraska State AGbd_a04b5c3d226421cd2025-10-23Verified
Massachusetts State AGbd_daa38a6659212efa2025-10-23Verified

Name: Polsinelli PC
norm: polsinelli

Name: Sedgebrook OpCo SL VII LLC
norm: sedgebrook opco sl vii
Industry: Otherllm

Discovered: May 5, 2025
Breach occurred: May 4, 2025 – May 5, 2025
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Oct 23, 2025
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)Health (basic)Financial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General

During the incident: Began an internal investigation
Notified law enforcement
Worked to secure its systems
Engaged a computer forensics firm, through counsel, to further investigate and confirm the security of its systems
Reviewed the files acquired by the third party
Offering complimentary credit monitoring services
Arranged for a dedicated call line to assist in responding to inquiries
Changes made: Enhancing its technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(171 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

HHS OCROct 23 · first

Nebraska State AGOct 23 · first

Massachusetts State AGOct 23 · first

New Hampshire State AGOct 23 · 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/sedgebrook-opco-sl-vii-20251023.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 23, 2025
Raw hash: 8fb62b53eef3d0f08e99f27776d30fce2dafabdfb938c20a5667ecccda616cdf

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityPolsinelli PC

Victim entitySedgebrook OpCo SL VII LLC

Incidentdiscovered May 5, 2025

Stated responseBegan an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov