The full name of CA is Certificate Authority, which plays an important role in Internet communication. It can authenticate the identities of both parties and encrypt the communication process to ensure the security and reliability of communication. In network security, CA has played a vital role, and now it has become one of the most important institutions that issue and manage digital certificates on the Internet.

Handling CA refers to applying for CA institutions and obtaining digital certificates from certification bodies. The process of handling CA requires users to authenticate their identity and provide corresponding application materials, prescribed fees and certification materials. , and sign the corresponding agreement. Certificates issued by CA can ensure users' needs in communication security, identity authentication and electronic signature on the Internet.

Handling CA certificates can be applied to enterprises, individuals and government agencies. , which is often used in data security communication, e-commerce and other fields in enterprises. In government agencies, it can be used to build e-government, public security network, education network and so on. At the same time, individuals can also apply for CA certificates to protect their security and reliability on the Internet, such as electronic signatures, online banking and other fields. Therefore, handling CA has become a necessary choice for individuals and enterprises in the field of network security, and it is the premise of online security and effective communication.