Sierra Construction Company
ent_f693cdc48469fceef1f40246
Disclosures
3
State AG · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
1,103
as filed · State AG WA
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Sierra Construction Company
- Normalized
- sierra construction— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (3)newest first
- Montana State AGas victim2024-10-30
Sierra Construction Company notified Montana residents of a cybersecurity incident discovered on August 14, 2024. The breach impacted current and former employees, exposing names, SSNs, DOBs, government IDs, and health insurance info. The company engaged legal counsel and forensic experts, and offered 12 months of credit monitoring.
- Washington State AGas victim2024-10-30
Sierra Construction Company, Inc. reported a ransomware incident affecting 1,103 Washington residents. The breach occurred between August 13-14, 2024, and was discovered on August 14, 2024. Employee data including SSNs, DOBs, and health insurance info was compromised. The company engaged legal and cybersecurity experts and offered 12 months of credit monitoring.
- Massachusetts State AGas victim2024-10-30
Sierra Construction Company, Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-10-30. 1 Massachusetts residents were affected.