HackingConstructionConstructionData ExfiltratedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountEmploymentMediumActive

OHL North America

bd_91153bd854427ec7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 14, 2021

Filed

May 3, 2021

To disclose

7 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

65%

Full breach record for OHL North America →

OHL North America disclosed that a third party accessed its systems between March 18 and April 8, 2021, and exfiltrated employee files containing names, addresses, SSNs, and bank account information. The incident was discovered in the week of March 14, 2021. OHL engaged a third-party consultant, reported to law enforcement, and is providing 24 months of credit monitoring to affected employees. The investigation is ongoing.

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California clockDiscovered Mar 14, 2021 → Notified May 4, 202151d ✓ CA 60-day OK7 weeks discovery → filing

Incident timeline

Mar 18, 2021

Begins

May 3, 2021

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_cb35e2db690fd77c2021-05-03Candidate
New Hampshire State AGbd_e41246c99067f7bc2021-05-03Verified

Name: OHL North America
norm: ohl north america

Name: OHL North America
norm: ohl north america
Industry: Constructionllm

Discovered: Mar 14, 2021
Breach occurred: Mar 18, 2021 – Apr 8, 2021
Materiality determined: —
Notification sent: May 4, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountEmployment
Data elements: Social Security numberDate of birth
Attack vector: Unknown
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Reported the incident to law enforcement

During the incident: Removed the third party from its environment and secured its systems
Commenced an investigation with the assistance of a third party consultant
Reported the incident to law enforcement
Arranged and is paying for a twenty four (24) month membership of Experian’s IdentityWorks credit monitoring and identity theft protection
Changes made: Reviewing its security measures
Working to implement additional safeguards to reduce the risk of similar incidents occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 days from discovery to filing)
Compliance flags: CA 60-day OK · 51d
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: Mar 14, 2021
→ Notified: May 4, 2021
51d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Mar 14, 2021 → Notified: May 4, 2021	51d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maine State AGMay 3 · first

New Hampshire State AGMay 3 · first

California State AGMay 3 · 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://oag.ca.gov/ecrime/databreach/reports/sb24-540478
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 3, 2021
Raw hash: 9929d960289ff6000d9b5a57d4d1d704a3e860c9644ba95e3c23c1e089d30153

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityOHL North America

Victim entityOHL North America

Incidentdiscovered Mar 14, 2021

Stated responseRemoved the third party from its environment and secured its systems

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov