MalwareTechnologyInformationRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Sellers Publishing

bd_958d7854db455943 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 4, 2025

Filed

Mar 16, 2026

To disclose

19 weeks

Affected

18state residents only

Linked

8 filings

Confidence

67%

Full breach record for Sellers Publishing →

Sellers Publishing, Inc. notified the New Hampshire Attorney General of a ransomware incident discovered on November 4, 2025. The breach potentially exposed the names and Social Security numbers of 18 New Hampshire residents. Notifications were sent on March 10, 2026, offering 12 months of credit monitoring and fraud assistance through TransUnion/Cyberscout. The company engaged forensic experts, reset passwords, and deployed endpoint monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d19 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 19 weeks / 132 days

Nov 4, 2025

Discovered

Mar 16, 2026

Filed

vs. sector median

on median

This filing is one of 8 about the same incident.View merged incident

A leak claim by play about this victim predates this filing by 131 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteplaybd_52820c015dd2db082025-11-05 · +131dVerified by operator

Regulatory filings (6) · sorted by filing gap

Massachusetts State AGbd_5601383467c567302026-03-17 · +1dVerified by operator
Indiana State AGbd_7bca642656905d832026-03-10 · +6dVerified
Indiana State AGbd_a8f8115a0d0ad0d82026-03-10 · +6dVerified by operator
Maine State AGbd_b45f5b86e8ba59432026-03-10 · +6dVerified by operator

Show 2 more filings ↓up to 6d gap

Vermont State AGbd_c782ad26f1b20afd2026-03-10 · +6dVerified by operator
Nebraska State AGbd_cf4101f1ea2fe28b2026-03-10 · +6dVerified by operator

Name: Sellers Publishing, Inc.
norm: sellers publishing
Domain: sellersbros.com

Name: Sellers Publishing
norm: sellers publishing
Domain: rsvp.com
Industry: Technologyllm

Discovered: Nov 4, 2025
Materiality determined: —
Notification sent: Mar 10, 2026
Affected individuals: 18state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Implemented additional security measures to help secure its systems and prevent future unauthorized access
Engaged a third-party forensic firm to assist
Offering identity theft protection services through TransUnion
Changes made: Changing user passwords
Deploying endpoint monitoring and detection tools throughout our IT environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(132 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

Indiana State AGMar 10 · first

Maine State AGMar 10 · first

Vermont State AGMar 10 · first

Nebraska State AGMar 10 · first

New Hampshire State AG+6d · this page

Massachusetts State AG+7d

Pattern: first filing Mar 10 (IN), last Mar 17 (MA) — a 7-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/sellers-publishing-20260316.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 16, 2026
Raw hash: c56cfb6f412c4583f80f1c501cafd139785c05e52035164f3a48d787eacd3ef8

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entitySellers Publishing, Inc.

Victim entitySellers Publishing

Incidentdiscovered Nov 4, 2025

Stated responseImplemented additional security measures to help secure its systems and prevent future unauthorized access

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov