GLOBALMalwareRansomwareBlack BastaRansom DemandedActor NamedMedium
Cornerstone
bd_01745e740b8f0a3d · schema v1 · pii pii-v1
Full breach record for Cornerstone →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Black Basta on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Group activity: Not FoundDiscovered: 2022-09-20
Source: Ransomware.live
Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident
No regulatory filing corroborates this yet. If an SEC 8-K, state-AG notice, or victim statement lands, DisclosureLens will merge it into an incident and link it here.
Source provenance
- Source URL
- https://www.ransomware.live/id/Q09STkVSU1RPTkVAYmxhY2tiYXN0YQ==
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Sep 20, 2022
- Raw hash
- 56371204e69f93c789af204ccd7dacb7296bc536d0afa2b141b67cf087bf3577
Reporting entity
- Name
- blackbastanorm: black_basta
Victim entity
- Name
- Cornerstonenorm: cornerstone
- Domain
- cornerstone.edcast.com
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· black_basta
- Threat actor
- Black BastaExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.