Southern Company # Repository of Documentation and Certificates The Southern Company Enterprise PKI ("Southern PKI"), has been established by Southern Company Services, Inc. ("Southern Company"), to enable reliable and secure identity authentication, and to facilitate the preservation of confidentiality and integrity of data in electronic transactions. ## Current Documents ### Policies * [CP v1.0](/cps/SouthernCo CP v1.0.pdf) (Effective March 1, 2017) * [CPS v4.0](/cps/SouthernCo CPS v4.0.pdf) (Effective April 1, 2017) ### Agreements * [Subscriber Agreement]("/cps/SouthernCo SA v1.0.pdf") * [Relying Party Agreement]("/cps/SouthernCo RPA v1.0.pdf") ## CA Certificates ###

Root CAs

Name | Public Key | Fingerprint (SHA1) | Valid Until | Links ---------------------------------------------------|------------------|------------------------------------------|-------------|------- Southern Company SHA256 Root CA | RSA 4096, SHA256 | e13e0cd9574606810139735e406fb82bdd955f16 | 2035-11-18 | PEM CRT CRL ###

Subordinate CAs

Name | Public Key | Fingerprint (SHA1) | Valid Until | Links ---------------------------------------------------|------------------|------------------------------------------|-------------|------- Southern Company SHA256 Internal Policy CA | RSA 2048, SHA256 | 51b2d30a58c9d0c4736bbc1de62d31c2fdad83e2 | 2035-11-18 | PEM CRT CRL Southern Company SHA256 Policy CA 2 | RSA 2048, SHA256 | 1ed6aabda8190a0586424be85ec0372ddd7f2b00 | 2035-11-18 | PEM CRT CRL ###

Enterprise Online Issuing CAs

Name | Public Key | Fingerprint (SHA1) | Valid Until | Links ---------------------------------------------------|------------------|------------------------------------------|-------------|------- Southern Company SHA256 ATL Issuing CA 02 | RSA 2048, SHA256 | 7782244d093bcb4bd9bf62d755e55d551feb360b | 2034-10-02 | PEM CRT CRL Southern Company SHA256 BHM Issuing CA 02 | RSA 2048, SHA256 | 4a1823c63948861685225a559a474cea1a68f800 | 2034-10-02 | PEM CRT CRL ###

Issuing CAs - Specialized Infrastructure Only (Not for General Enterprise Use)

Name | Public Key | Fingerprint (SHA1) | Valid Until | Links ---------------------------------------------------|------------------|------------------------------------------|-------------|------- (RENEWED) Southern Company SHA256 ATL Issuing CA 01| RSA 2048, SHA256 | a2eea2f76b36a197e615fa4d1860bc75f6f98e69 | 2034-01-24 | PEM CRT CRL (RENEWED)Southern Company SHA256 BHM Issuing CA 01 | RSA 2048, SHA256 | 1954897f43751a7f983ed248a97d382ae4e66e4c | 2034-01-24 | PEM CRT CRL ###

Issuing CAs - signing til 11/6/2024

Name | Public Key | Fingerprint (SHA1) | Valid Until | Links ---------------------------------------------------|------------------|------------------------------------------|-------------|------- Southern Company SHA256 ATL Issuing CA 01 | RSA 2048, SHA256 | c7f652d050b8a91e701e47d59ff044aa862590d3 | 2025-11-19 | PEM CRT CRL Southern Company SHA256 BHM Issuing CA 01 | RSA 2048, SHA256 | a5fda9b56127642161287badacb19f79fbd4c7a7 | 2025-11-19 | PEM CRT CRL # Reporting Incidents If you wish to report a security incident related to the Southern PKI, please email . If you wish to report a Southern Company security incident not related to the Southern PKI, please call our 24-hour Security Operations Center at 404-506-1718[.](http://soco-sites.southernco.com/it/IT_Security_Enterprise_PKI/_layouts/15/start.aspx#/SitePages/Home.aspx) Last Updated November 01, 2024.