HackingTechnologyInformationCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Hyundai AutoEver America

bd_e1bbfb15e49c33e1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 1, 2025

Filed

Nov 5, 2025

To disclose

36 weeks

Affected

1state residents only

Linked

4 filings

Confidence

66%

Full breach record for Hyundai AutoEver America →2 incidents on file

Hyundai AutoEver America, LLC notified the Maine AG of a cyber incident affecting 1 Maine resident. Unauthorized access occurred Feb 22–Mar 2, 2025; discovered Mar 1, 2025. Names and SSNs were accessed. Notification sent Oct 30, 2025, with 24 months credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Mar 1, 2025 → Filed with AG Nov 5, 2025249d ⏱ ME AG >30d36 weeks discovery → filing

Incident timeline

undetected · 7 days

discovery → filing · 36 weeks / 249 days

Feb 22, 2025

Begins

Mar 1, 2025

Discovered

Nov 5, 2025

Filed

vs. sector median

+25 wks slower

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_44fb85da1c5e6e8d2025-11-04 · +1dVerified
California State AGbd_4db4642a8d168d552025-11-03 · +2dVerified
Indiana State AGbd_eda8cb7b20d576942025-10-30 · +6dVerified

Name: Hyundai AutoEver America
norm: hyundai autoever america

Name: Hyundai AutoEver America
norm: hyundai autoever america
Industry: Technologyllm

Discovered: Mar 1, 2025
Breach occurred: Feb 22, 2025 – Mar 2, 2025
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 30, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Terminated the unauthorized third party’s access to the affected portion of its environment
Engaged third-party forensic experts to assist with the investigation and response
Coordinated its efforts with law enforcement
Changes made: Blocking known indicators of compromise
Strengthening its security monitoring and logging capabilities
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 36 weeks(249 days from discovery to filing)
Compliance flags: ME AG >30d · 249dME resident >60d · 243d
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: Mar 1, 2025
→ Filed with AG: Nov 5, 2025
249d 30 days (soft) ME AG >30d
Maine
Discovered: Mar 1, 2025
→ Notified: Oct 30, 2025
243d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 1, 2025 → Filed with AG: Nov 5, 2025	249d	30 days (soft)	ME AG >30d
Maine	Discovered: Mar 1, 2025 → Notified: Oct 30, 2025	243d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGOct 30 · first

California State AG+4d

Massachusetts State AG+5d

Maine State AG+6d · this page

Pattern: first filing Oct 30 (IN), last Nov 5 (ME) — a 6-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-a1252b4f8318/63697d4f-d4ae-446b-9484-a7a93730d7a6.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 5, 2025
Raw hash: 30ee946074327a0da4c0c797b6feaa0dc497f8caeb419a42a2ba28b765a1b228

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityHyundai AutoEver America

Victim entityHyundai AutoEver America

Incidentdiscovered Mar 1, 2025

Stated responseTerminated the unauthorized third party’s access to the affected portion of its environment

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov