PKI Overview - A1 Telekom Austria AG

Welcome to the PKI overview page of A1 Telekom Austria AG.

This page provides a central access point to all important certificates and Certificate Revocation Lists (CRLs) used for secure communication and authentication within our IT infrastructure.
The certificates and information provided here play a crucial role in ensuring the integrity, confidentiality, and authenticity of our digital environment.

The new PKI infrastructure of A1 Telekom Austria AG includes the Gold, Silver, and Bronze PKIs.
These new infrastructures replace the older SHA256 - Telekom Austria Group Root CA 01 and SHA1 - Telekom Austria AG Root based PKIs. However, the data from the older PKIs will remain available as long as there are valid certificates in circulation.

A1 Telekom Austria AG - Gold PKI

"The Gold PKI represents the highest security level within A1 Telekom Austria AG. It is used to secure critical systems and sensitive infrastructures, including LDAPS, KDC, SmartCard authentication, and Host Guardian Services."

Certificates

CRL & Delta CRL Files

Issuer Statements (CSP)

A1 Telekom Austria AG - Silver PKI

"The Silver PKI is used to secure internal networks and communication links within A1 Telekom Austria AG. It is used for device and user authentication as well as VPN and 802.1X connections."

Certificates

CRL & Delta CRL Files

Issuer Statements (CSP)

A1 Telekom Austria AG - Bronze PKI

"The Bronze PKI is used for securing email communication (S/MIME), web server certificates, and automated certificate issuance via ACME. It provides reliable encryption and authentication for less critical systems."

Certificates

CRL & Delta CRL Files

Issuer Statements (CSP)

Other Certificates and Legacy PKI

ADFS Token Certificates