HackingConstructionConstructionData ExfiltratedEmployee Data InvolvedIdentity (basic)Government IDEmploymentMediumContained

Kenyon Companies, Inc.

bd_cf447a8ac9f8d00e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 30, 2021

Filed

Feb 1, 2022

To disclose

22 weeks

Affected

Not disclosed

Confidence

65%

Full breach record for Kenyon Companies, Inc. →

Kenyon Companies, Inc. notified the California Attorney General of a data breach affecting employee personal information. On August 30, 2021, the company became aware of suspicious activity on its IT network. Investigation revealed that an unauthorized actor exfiltrated first and last names and Social Security numbers of certain employees from a system server. The breach occurred on August 25, 2021. The company secured the compromised server, engaged forensic investigators, and offered one year of credit monitoring to affected individuals. The incident is contained.

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California clockDiscovered Aug 30, 2021 → Notified Oct 13, 202144d ✓ CA 60-day OK22 weeks discovery → filing

Incident timeline

undetected · 5 days

discovery → filing · 22 weeks / 155 days

Aug 25, 2021

Begins

Aug 30, 2021

Discovered

Feb 1, 2022

Filed

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

Name: Kenyon Companies, Inc.
norm: kenyon companies

Name: Kenyon Companies, Inc.
norm: kenyon companies
Industry: Constructionllm

Discovered: Aug 30, 2021
Breach occurred: Aug 25, 2021
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 13, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDEmployment
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Worked with third party forensic investigators to investigate the nature and scope of the activity
Secured the compromised file server
Conducted a deliberate and thorough assessment of the information impacted
Arranged for enrollment in an online credit monitoring service (myTrueIdentity) for one year provided by TransUnion Interactive
Changes made: Taken additional steps to improve security and better protect against similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(155 days from discovery to filing)
Compliance flags: CA 60-day OK · 44d
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
California
Discovered: Aug 30, 2021
→ Notified: Oct 13, 2021
44d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Aug 30, 2021 → Notified: Oct 13, 2021	44d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

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://oag.ca.gov/ecrime/databreach/reports/sb24-550604
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 1, 2022
Raw hash: cc9a70337badd235d8aeecfed1990fc946c5111540269ca4d2b773cc0c5b124c

Reporting entityKenyon Companies, Inc.

Victim entityKenyon Companies, Inc.

Incidentdiscovered Aug 30, 2021

Stated responseWorked with third party forensic investigators to investigate the nature and scope of the activity

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov