HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Sellers Publishing

bd_c782ad26f1b20afd · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 4, 2025

Filed

Mar 10, 2026

To disclose

18 weeks

Affected

Not disclosed

Linked

8 filings

Confidence

67%

Full breach record for Sellers Publishing →

Sellers Publishing, Inc. notified Vermont AG that an unauthorized user potentially accessed systems containing names and Social Security numbers of employees/contractors. Discovered Nov 4, 2025. Remediation included password changes and endpoint monitoring. Credit monitoring offered.

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Vermont clock✗ VT AG >45 bday18 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 · 18 weeks / 126 days

Nov 4, 2025

Discovered

Mar 10, 2026

Filed

vs. sector median

+1 wks slower

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 125 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteplaybd_52820c015dd2db082025-11-05 · +125dVerified by operator

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_7bca642656905d832026-03-10Verified
Indiana State AGbd_a8f8115a0d0ad0d82026-03-10Verified by operator
Maine State AGbd_b45f5b86e8ba59432026-03-10Verified by operator
Nebraska State AGbd_cf4101f1ea2fe28b2026-03-10Verified by operator

Show 2 more filings ↓up to 7d gap

New Hampshire State AGbd_958d7854db4559432026-03-16 · +6dVerified by operator
Massachusetts State AGbd_5601383467c567302026-03-17 · +7dVerified by operator

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

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

Discovered: Nov 4, 2025
Materiality determined: —
Notification sent: Mar 10, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Implemented incident response protocols
Took steps to isolate server from the network
Engaged independent computer forensic experts
Changed user passwords
Deployed endpoint monitoring and detection tools
Offered credit monitoring services
Changes made: Changed user passwords
Deployed endpoint monitoring and detection tools throughout IT environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(126 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >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

Nebraska State AGMar 10 · first

Vermont State AGMar 10 · first · this page

New Hampshire State AG+6d

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://ago.vermont.gov/document/2026-03-10-sellers-publishing-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 10, 2026
Raw hash: 799f76a830991064ca7be196377895a277367bcf89b5264dc4f0212059aa8692

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entitySellers Publishing

Victim entitySellers Publishing

Incidentdiscovered Nov 4, 2025

Stated responseImplemented incident response protocols

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov