HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

eTaxservice.com

bd_9efc40d71551e241 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 12, 2025

Filed

Nov 3, 2025

To disclose

7 weeks

Affected · nationwide

9244 in this filing

Linked

4 filings

Confidence

65%

Full breach record for eTaxservice.com →

Etaxservice.com LLC reported an external system breach (hacking) where an unauthorized actor gained access to a firm tax service account between June 20, 2025, and September 12, 2025. The incident compromised names and Social Security numbers of 924 individuals, including 4 Maine residents. Notices were sent on November 3, 2025, offering 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Sep 12, 2025 → Filed with AG Nov 3, 202552d ⏱ ME AG >30d7 weeks discovery → filing

Incident timeline

undetected · 84 days

discovery → filing · 7 weeks / 52 days

Jun 20, 2025

Begins

Sep 12, 2025

Discovered

Nov 3, 2025

Filed

vs. sector median

1 wks faster

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

New Hampshire State AGbd_6463bbb11dc071182025-11-03Verified
Indiana State AGbd_e52bc204e1f9b17a2025-11-03Verified
Massachusetts State AGbd_fbbb656c6ed1ed592025-11-03Verified

Name: eTaxservice.com
norm: etaxservicecom
Domain: etaxservice.com
Industry: Financial Services

Name: eTaxservice.com
norm: etaxservicecom
Domain: etaxservice.com
Industry: Financial Services
Industry: Financial Servicesllm

Discovered: Sep 12, 2025
Breach occurred: Jun 20, 2025 – Sep 12, 2025
Undetected for: 84 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 3, 2025
Affected individuals: 924state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified the Internal Revenue ServiceProviding written notice of this incident to relevant state and federal regulators
Initial access: valid_credentials

During the incident: Launched an investigation with the assistance of third-party technology specialists
Notified the Internal Revenue Service
Implemented additional security measures
Provided access to credit monitoring services for twelve (12) months through TransUnion
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Implemented additional security measures to further protect against similar events in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(52 days from discovery to filing)
Compliance flags: ME AG >30d · 52d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 12, 2025
→ Filed with AG: Nov 3, 2025
52d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 12, 2025 → Filed with AG: Nov 3, 2025	52d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGNov 3 · first

Indiana State AGNov 3 · first

Massachusetts State AGNov 3 · first

Maine State AGNov 3 · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/6d0e9f8f-8581-4e89-bcec-a8766ba609d5.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 3, 2025
Raw hash: b5e58a8e6d3ffe0a817cec0d20085a98cfb156ef2ee1074222ae5e49feb78953

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityeTaxservice.com

Victim entityeTaxservice.com

Incidentdiscovered Sep 12, 2025

Stated responseLaunched an investigation with the assistance of third-party technology specialists

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov