Security intelligence built to guard family assets
Keystone Guardian is based in Hong Kong and serves family offices and high-net-worth individuals with cross-border holdings. In the age of AI, the risk to a family is no longer just a “hacked system” — it is AI impersonation, email tampering, key compromise and data exposure. These act on people, process and assets, and require verifiable protection rather than a pile of tools.
So we deliver in exactly one way: map exposure, harden as needed, then guard year-round. Every step leaves verifiable records and reports, so a family always knows where its security boundary stands.
- CISSP
Certified Information Systems Security Professional
- CISA
Certified Information Systems Auditor
- CISP
Certified Information Security Professional
- CCIE
Cisco Certified Internetwork Expert
- OSCP
Offensive Security Certified Professional
- Strict confidentiality, NDA signed
- Sensitive identifiers encrypted at rest
- Bilingual and responsive
Start with a security audit
LEO GONG · CISSP · CISA · CISP · CCIE · OSCP / leog@keystoneguardian.com / +852 9551 1011