All entities
norm: cornerstoneUSno LEI · no CIKMax severity: Medium
Canonical registry
Cornerstone
ent_65596889d1857b31d53658b6
Disclosures
2
Leak Site · State AG · 2 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
2
as filed · State AG NH
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- Cornerstone
- Normalized
- cornerstone— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- cornerstone.edcast.com
Disclosure history (2)newest first
- GLOBALLeak Siteas victim2022-09-20
- New Hampshire State AGas victim2019-08-20
Cornerstone, Inc. notified the NH AG of a data incident where an unauthorized actor accessed a database containing rental applications between June 26-28, 2019. Discovered July 9, 2019, the breach affected 2 NH residents, exposing PII including SSNs and driver's licenses. Response included disabling the app, resetting credentials, FBI notification, and 1-year credit monitoring.