HackingTechnologyManufacturingInformationStolen CredentialsCapture Stored DataData ExfiltratedTargetedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

ACUITY BRANDS LIGHTING, INC.

bd_e48270b605e5e4d5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 7, 2021

Filed

Dec 6, 2022

To disclose

52 weeks

Affected

19state residents only

Linked

6 filings

Confidence

66%

Full breach record for ACUITY BRANDS LIGHTING, INC. →

Acuity Brands, Inc. notified individuals of unauthorized access to systems occurring in Oct 2020 and Dec 2021. Personal info, SSNs, driver's licenses, financial accounts, and limited health info were copied. Acuity engaged forensic investigators and offered 1 year of Experian IdentityWorks.

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Incident timeline

undetected · 427 days

discovery → filing · 52 weeks / 364 days

Oct 6, 2020

Begins

Dec 7, 2021

Discovered

Dec 6, 2022

Filed

vs. sector median

+33 wks slower

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecontibd_0808452fec3877d52022-01-15 · +325dVerified by operator

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_13f8e899096057462022-12-06Verified by operator
Massachusetts State AGbd_7aa653c6745570012022-12-06Verified by operator
Maine State AGbd_8343b9543b9f07982022-12-06Verified
California State AGbd_9f481a0a57a510be2022-12-06Verified

Name: ACUITY BRANDS LIGHTING, INC.
norm: acuity brands lighting

Name: ACUITY BRANDS LIGHTING, INC.
norm: acuity brands lighting
Industry: TechnologyllmManufacturingllm

Discovered: Dec 7, 2021
Breach occurred: Oct 6, 2020 – Dec 8, 2021
Undetected for: 427 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 19state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Immediately took steps to secure our systems
Worked with a third-party cybersecurity firm to conduct a thorough investigation
Offering you a complimentary one-year membership in Experian’s IdentityWorksSM
Enhancing our existing security protocols and technical safeguards
Changes made: Enhancing our existing security protocols and technical safeguards to further secure our environment and to help prevent a similar incident in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 52 weeks(364 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGDec 6 · first

Massachusetts State AGDec 6 · first

Maine State AGDec 6 · first

California State AGDec 6 · first

Montana State AGDec 6 · 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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-763.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 6, 2022
Raw hash: d2fde0c038260a1d920f4237d8f214be111d21b489a78305b81d0885e0ffee3a

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityACUITY BRANDS LIGHTING, INC.

Victim entityACUITY BRANDS LIGHTING, INC.

Incidentdiscovered Dec 7, 2021

Stated responseImmediately took steps to secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov