HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Landwehr Construction, Inc.

bd_7998a5e1bc288968 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 3, 2021

Filed

Oct 4, 2021

To disclose

31 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Landwehr Construction, Inc. →

Landwehr Construction, Inc. notified the NH AG of unauthorized access to an employee email account between Feb 8-17, 2021. Discovered March 3, 2021. One NH resident's name and driver's license were potentially exposed. Notices sent Sept 29, 2021. Credit monitoring offered.

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Incident timeline

undetected · 23 days

discovery → filing · 31 weeks / 215 days

Feb 8, 2021

Begins

Mar 3, 2021

Discovered

Oct 4, 2021

Filed

vs. sector median

+12 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Landwehr Construction, Inc.
norm: landwehr construction

Name: Landwehr Construction, Inc.
norm: landwehr construction
Industry: Professional Servicesllm

Discovered: Mar 3, 2021
Breach occurred: Feb 8, 2021 – Feb 17, 2021
Undetected for: 23 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 29, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified Office of the New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Worked with outside computer forensics specialists to investigate the nature and scope of the activity
Worked with third-party specialists to perform a comprehensive review of the contents of the affected email account
Conducted a manual review of internal records to determine the identities and contact information for potentially impacted individuals
Utilized the services of a vendor to search for address information
Provided written notice of this incident to all affected individuals
Providing access to credit monitoring services for one (1) year, through Experian, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Changes made: Review its existing policies and procedures and to implement additional safeguards to further secure the information in its environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 31 weeks(215 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://mm.nh.gov/files/uploads/doj/remote-docs/landwehr-construction-20211004.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 4, 2021
Raw hash: e116a304fe8c2fbc0599bf64e43a1fc015a4d27524207d43722ab59f7c2a9a28

Reporting entityLandwehr Construction, Inc.

Victim entityLandwehr Construction, Inc.

Incidentdiscovered Mar 3, 2021

Stated responseWorked with outside computer forensics specialists to investigate the nature and scope of the activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov