HackingConstructionConstructionCustomer Data InvolvedPIILowContained

LENNAR CORPORATION

bd_07c33c899d294388 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Oct 10, 2023

To disclose

—

Affected

Not disclosed

Linked

6 filings

Confidence

82%

Full breach record for LENNAR CORPORATION →2 incidents on file

Lennar Corporation detected unauthorized activity in its IT systems as early as July 2023. The company took immediate containment actions, notified U.S. law enforcement, and engaged cybersecurity experts. Personal information of affected individuals may have been accessed. Lennar offered 24 months of complimentary Experian IdentityWorks credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

Jul 20, 2023

Begins

Oct 10, 2023

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

Oregon State AGbd_133dcb4e5b51f6b12023-10-10Candidate
Massachusetts State AGbd_58c14dd26df9acf62023-10-10Verified
Washington State AGbd_a0bd7220acdaea8e2023-10-10Verified
Maine State AGbd_f409ca017f0738d72023-10-10Verified

Show 1 more filing ↓up to 6d gap

Indiana State AGbd_c35383142f9bd8f32023-10-04 · +6dVerified

Name: LENNAR CORPORATION
norm: lennar

Name: LENNAR CORPORATION
norm: lennar
Industry: Constructionllm

Discovered: —
Breach occurred: Jul 20, 2023
Materiality determined: —
Notification sent: Oct 4, 2023
Affected individuals: Not disclosed
Data types: PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Immediately took protective actions to stop any unauthorized access
Notified U.S. law enforcement
Launched an investigation with the assistance of leading cybersecurity experts
Took immediate protective actions to contain and eradicate the activity
Changes made: Continue to evaluate and deploy robust security protocols
Continuous monitoring
Staff training needed to prevent and defend against sophisticated cybersecurity threats
Offering 24-month membership in Experian IdentityWorks credit monitoring and identity restoration program at no cost to affected individuals
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGOct 4 · first

Oregon State AG+6d

Massachusetts State AG+6d

Washington State AG+6d

Maine State AG+6d

California State AG+6d · this page

Pattern: first filing Oct 4 (IN), last Oct 10 (CA) — 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://oag.ca.gov/ecrime/databreach/reports/sb24-574896
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 10, 2023
Raw hash: 16e1a2974d79269515f3e6cb04838eed955fec3a6c76d7496b3b32313bfcd232

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityLENNAR CORPORATION

Victim entityLENNAR CORPORATION

IncidentUnauthorized Access

Stated responseImmediately took protective actions to stop any unauthorized access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov