HackingCustomer Data InvolvedIdentity (basic)LowContained

Harper Executive Group, Inc.

bd_178968bbec672b0e · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 14, 2026

Filed

Mar 18, 2026

To disclose

9 weeks

Affected

1state residents only

Linked

6 filings

Confidence

66%

Full breach record for Harper Executive Group, Inc. →

Harper Executive Group, Inc. reported an external system breach (hacking) occurring on or around March 3, 2025. The incident was discovered on January 14, 2026. The breach affected 1 Maine resident. Personal information, including names and other personal identifiers, was potentially compromised. The company engaged third-party specialists, secured systems, and offered 12 months of credit monitoring and identity protection services.

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Maine clockDiscovered Jan 14, 2026 → Filed with AG Mar 18, 202663d ⏱ ME AG >30d9 weeks discovery → filing

Incident timeline

undetected · 317 days

discovery → filing · 9 weeks / 63 days

Mar 3, 2025

Begins

Jan 14, 2026

Discovered

Mar 18, 2026

Filed

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

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_4b0c336991e39fbc2026-03-18Verified
Massachusetts State AGbd_886ae014e7d38c722026-03-18Verified
Nebraska State AGbd_bb7b79d40987d50a2026-03-18Verified
Texas State AGbd_1d61aedb47477a822026-03-20 · +2dVerified

Show 1 more filing ↓up to 5d gap

New Hampshire State AGbd_089e335214a71a2d2026-03-23 · +5dVerified

Name: Harper Executive Group, Inc.
norm: harper executive

Name: Harper Executive Group, Inc.
norm: harper executive

Discovered: Jan 14, 2026
Breach occurred: Mar 3, 2025
Undetected for: 317 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 18, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Engaged third-party specialists to assist with understanding the nature and scope of the incident
Worked to identify and collect the data at risk
Undertook a thorough investigation
Secured our systems
Implemented additional technical safeguards
Changes made: Implemented additional technical safeguards to further enhance the security of information in our possession and to prevent similar incidents from happening in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(63 days from discovery to filing)
Compliance flags: ME AG >30d · 63d
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: Jan 14, 2026
→ Filed with AG: Mar 18, 2026
63d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jan 14, 2026 → Filed with AG: Mar 18, 2026	63d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGMar 18 · first

Massachusetts State AGMar 18 · first

Nebraska State AGMar 18 · first

Maine State AGMar 18 · first · this page

Texas State AG+2d

New Hampshire State AG+5d

Pattern: first filing Mar 18 (IN), last Mar 23 (NH) — a 5-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/f57233c4-6369-45ae-8b6d-569574bcfabc.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 18, 2026
Raw hash: 60c1dd11c9c9b12c3e25f7ad9a488e31cfb3ca0176df2abaf94f949aa91a1b5d

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityHarper Executive Group, Inc.

Victim entityHarper Executive Group, Inc.

Incidentdiscovered Jan 14, 2026

Stated responseEngaged third-party specialists to assist with understanding the nature and scope of the incident

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov