HackingEnergy & UtilitiesUtilitiesStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Posillico, Inc.

bd_3113f98872d9866d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 8, 2025

Filed

Jan 14, 2026

To disclose

5 weeks

Affected

4state residents only

Linked

6 filings

Confidence

67%

Full breach record for Posillico, Inc. →

Posillico, Inc. reported a data security incident to the New Hampshire Attorney General on January 13, 2026. The company discovered unauthorized access to its network on December 8, 2025. The incident potentially impacted the name and Social Security numbers of 4 New Hampshire residents. Posillico engaged cybersecurity experts, secured its network, and reported the incident to the FBI IC3. Affected individuals were offered complimentary identity monitoring services through IDX.

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Incident timeline

discovery → filing · 5 weeks / 37 days

Dec 8, 2025

Discovered

Jan 14, 2026

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteakirabd_6e40b4482a58436d2026-01-05 · +9dVerified by operator

Regulatory filings (4) · sorted by filing gap

Texas State AGbd_38c7da76d6bafa632026-01-14Verified
Massachusetts State AGbd_4c615aeffe9db2052026-01-14Verified by operator
Maine State AGbd_44a73f68a4b036f82026-01-13 · +1dVerified
Indiana State AGbd_5a3657aff91914952026-01-13 · +1dVerified

Name: Posillico, Inc.
norm: posillico
Domain: posillico.com

Name: Posillico, Inc.
norm: posillico
Domain: posillico.com
Industry: Energy & Utilitiesllm

Discovered: Dec 8, 2025
Materiality determined: —
Notification sent: Jan 13, 2026
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Reported this incident to the FBI’s Internet Crime Complaint Center
Initial access: valid_credentials

During the incident: Engaged independent cybersecurity experts
Secured its network environment
Launched an investigation
Implemented measures to enhance the security of its environment
Reported this incident to the FBI’s Internet Crime Complaint Center
Provided notified individuals with information about steps they can take to protect their personal information
Offered them access to complimentary identity monitoring services
Established a toll-free call center through IDX
Changes made: Implemented measures to enhance the security of its environment in an effort to minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(37 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Maine State AGJan 13 · first

Indiana State AGJan 13 · first

Texas State AG+1d

Massachusetts State AG+1d

New Hampshire State AG+1d · 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/posillico-20260114.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 14, 2026
Raw hash: 569ba3af38cc88730c16067c584ff4c73776ef3750aa876a0dfaaba86c9bfb79

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityPosillico, Inc.

Victim entityPosillico, Inc.

Incidentdiscovered Dec 8, 2025

Stated responseEngaged independent cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov