High Grade Materials
ent_66203d6ddd703d31
Disclosures
2
State AG · Leak Site · 2 jurisdictions
Incidents
—
no linked incident in sample
Max affected reported
2,000
nationwide · State AG IN
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- High Grade Materials
- Normalized
- high grade materials— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- highgradematerials.com
Disclosure history (2)newest first
- 🏎️Indiana State AGas victim2025-07-01
High Grade Materials Co reported a data breach to the Indiana Attorney General. The breach occurred on 2025-05-02 and was reported on 2025-07-01. 1 Indiana residents were affected. 2,000 individuals affected in total.
- GLOBALLeak Siteas victim2025-05-02
High Grade Materials is a Michigan-based company specializing in concrete and concrete-related products. We are going to upload about 20 GB of corporate data. A lot of em ployee information (DOB, passport number, address, phone and so o n), detailed financial data (audits, payment details, reports, in voices), contracts and agreements, death/birth certificates, NDAs , etc.