Certum SSL證書 
Certum is the first Polish CA to receive WebTrust certification and one of the largest certificate authorities in Europe. Its globally trusted SSL Certificates are welcomed by major corporate customers around the world.
關於Certum
Certum is an established network security certification body in Poland. Since 2002, it has passed strict review based on the WebTrust standard. It has become a global trusted certification body for SSL Certificates and code signature certificates. It is also the first certificate authority in China and Europe. Relying on its advanced technology, rich network security solutions and brand awareness, Certum provides security services to customers in more than 50 countries around the world, including large companies, banks, e-commerce platforms and public management organizations, and has been highly recognized by customers around the world.
為什麽選擇Certum
Polish veteran CA
Certum is the oldest and largest certification center in Poland, the first certification authority in Central Europe, and has obtained WebTrust certification.
Product diversity
Certum offers certificates for all verification types (DV, OV, EV), and its products also support the protection of single domain names (standard), unlimited subdomains (wildcards), and up to 10 different domain names (multi-domain names).
High security
Supports the strongest encryption of 256 bits and the RSA2048-4096 bit algorithm, providing the highest level of security protection.
Certum Security Seal
All SSL Certificates products come with Certum security seals, effectively improving visitors 'sense of security.
good compatibility
Certum certificates are recognized by all major browsers, terminal devices, and operating systems, keeping you away from compatibility issues.
Highly recognized globally
Relying on its advanced technology and brand awareness, Certum provides security services to customers in more than 50 countries around the world, including large companies, banks, e-commerce platforms and public management agencies, and has been highly recognized by customers around the world.