---
title: "CYBERSOURCE CORP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7779b90f-323b-5d7f-86fc-e45ea555fc94
json: https://whiteintel.dev/api/public/dossier/7779b90f-323b-5d7f-86fc-e45ea555fc94
identifier: sec:0000934280
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CYBERSOURCE CORP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000934280`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/7779b90f-323b-5d7f-86fc-e45ea555fc94  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7779b90f-323b-5d7f-86fc-e45ea555fc94  

## Ownership & control

### Owners / controllers

- **MCKIERNAN WILLIAM S** (tenpercentowner) — https://whiteintel.dev/entity/bec306f4-c038-51c2-a45e-70c6f4f693fb

### UBO chain (walk to the ultimate owner)

A **19-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CYBERSOURCE CORP**. Human view: https://whiteintel.dev/entity/7779b90f-323b-5d7f-86fc-e45ea555fc94 · Structured JSON: https://whiteintel.dev/api/public/dossier/7779b90f-323b-5d7f-86fc-e45ea555fc94._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._