HackingRetail & ConsumerRetailCustomer Data InvolvedPIILowContained

Zephyr Ventilation

bd_f5192ba0bba5bfcd · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 10, 2023

Filed

Jan 17, 2024

To disclose

23 weeks

Affected · nationwide

5142 in this filing

Linked

4 filings

Confidence

66%

Full breach record for Zephyr Ventilation →

Zephyr Ventilation, a subsidiary of Broan-NuTone LLC, experienced an external system breach (hacking) on July 20, 2023, discovered on August 10, 2023. The incident affected 514 individuals, including 2 Maine residents. Zephyr provided written notification and offered 12 months of complimentary credit monitoring and identity restoration services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Aug 10, 2023 → Filed with AG Jan 17, 2024160d ⏱ ME AG >30d23 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 21 days

discovery → filing · 23 weeks / 160 days

Jul 20, 2023

Begins

Aug 10, 2023

Discovered

Jan 17, 2024

Filed

vs. sector median

+14 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

Montana State AGbd_0cd9c5a5220f6c372024-01-17Candidate
New Hampshire State AGbd_24115f5ddff4f42f2024-01-17Verified
Massachusetts State AGbd_129da188c7183f8e2024-01-22 · +5dVerified

Name: Broan-NuTone LLC
norm: broan nutone

Name: Zephyr Ventilation
norm: zephyr ventilation
Industry: Retail & Consumerllm

Discovered: Aug 10, 2023
Breach occurred: Jul 20, 2023
Undetected for: 21 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 17, 2024
Affected individuals: 514state + nationwide
Data types: PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 month complimentary credit monitoring and identity restoration services through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(160 days from discovery to filing)
Compliance flags: ME AG >30d · 160dME resident >60d · 160d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 10, 2023
→ Filed with AG: Jan 17, 2024
160d 30 days (soft) ME AG >30d
Maine
Discovered: Aug 10, 2023
→ Notified: Jan 17, 2024
160d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 10, 2023 → Filed with AG: Jan 17, 2024	160d	30 days (soft)	ME AG >30d
Maine	Discovered: Aug 10, 2023 → Notified: Jan 17, 2024	160d	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 ↗

Montana State AGJan 17 · first

New Hampshire State AGJan 17 · first

Maine State AGJan 17 · first · this page

Massachusetts State AG+5d

Pattern: first filing Jan 17 (MT), last Jan 22 (MA) — 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-a1252b4f8318/00cce268-0264-474b-8a50-223caf98a476.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 17, 2024
Raw hash: 2813ab7b449dbb6cb69089ef51c97e2722d48b211f78edf2d50c6907c0eebe40

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBroan-NuTone LLC

Victim entityZephyr Ventilation

Incidentdiscovered Aug 10, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov