- oiste.org
- Root of Trust
- Accreditations
Root of Trust
Accreditations
Relying parties need assurance that the authority behind a certificate consistently meets published security standards. The operator is audited every year against the WebTrust principles.

Certification Authorities
The principal standard for the adequacy and effectiveness of a CA’s controls, developed by CPA Canada and the AICPA.
View seal
Baseline Requirements (TLS)
Controls against the CA/Browser Forum Baseline Requirements for publicly trusted certificates. Annual audit.
View seal
Extended Validation
Controls against the CA/Browser Forum EV Guidelines. Only accredited CAs may issue EV certificates. Annual audit.
View seal
S/MIME
Controls against the CA/Browser Forum S/MIME Baseline Requirements for secure email certificates.
View seal
Network Security
Controls against the CA/Browser Forum Network and Certificate System Security Requirements.
View sealSeals are issued to WISeKey SA as operator of the OISTE/WISeKey hierarchy.
