HackingFinancial ServicesProfessional ServicesFinanceStolen CredentialsTargetedData ExfiltratedIdentity (basic)Government IDMediumContained

Blue & Co., LLC

bd_e7fa2442cc498e19 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 9, 2024

Filed

Sep 22, 2025

To disclose

41 weeks

Affected

3state residents only

Linked

7 filings

Confidence

66%

Full breach record for Blue & Co., LLC →3 incidents on file

Blue & Co., LLC notified the NH Attorney General of unauthorized access to a server on November 7, 2024, discovered December 9, 2024. Data copied included names and SSNs affecting 3 NH residents. Blue isolated the server, engaged forensic specialists, notified law enforcement, and provided one year of Kroll credit monitoring.

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Incident timeline

undetected · 32 days

discovery → filing · 41 weeks / 287 days

Nov 7, 2024

Begins

Dec 9, 2024

Discovered

Sep 22, 2025

Filed

vs. sector median

+32 wks slower

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Montana State AGbd_ddd75af88e9d2d562025-09-22Verified
Indiana State AGbd_45cafe607b45073b2025-09-25 · +3dVerified
Vermont State AGbd_67d8eaab5e9576262025-09-09 · +13dVerified
Nebraska State AGbd_819bf3b3bd97ad3d2025-09-04 · +18dVerified

Show 2 more filings ↓up to 76d gap

Indiana State AGbd_6aeeb56a7a9bc7f52025-07-08 · +76dCandidate
Massachusetts State AGbd_88d1a6204fd8f9012025-07-08 · +76dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Blue & Co., LLC
norm: blue
Industry: Financial ServicesllmProfessional Servicesllm

Discovered: Dec 9, 2024
Breach occurred: Nov 7, 2024 – Nov 7, 2024
Undetected for: 32 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 22, 2025
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Isolated the impacted server
Launched an investigation with the assistance of third-party forensic specialists
Worked with third-party data review specialists to perform a detailed review of the data involved
Notified federal law enforcement regarding the event
Providing access to credit monitoring services for one year, through Kroll, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Working to implement additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 41 weeks(287 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

Indiana State AGJul 8 · first

Massachusetts State AGJul 8 · first

Nebraska State AG+58d

Vermont State AG+63d

Montana State AG+76d

New Hampshire State AG+76d · this page

Indiana State AG+79d

Pattern: first filing Jul 8 (IN), last Sep 25 (IN) — a 79-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://mm.nh.gov/files/uploads/doj/remote-docs/blue-20250922.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 22, 2025
Raw hash: 00a7f34c2086f0b4405b8642221a330d3e44277cc357c3dc66cd0306843a8502

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityBlue & Co., LLC

Incidentdiscovered Dec 9, 2024

Stated responseIsolated the impacted server

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov