Which mechanism is recommended to establish a secure and trusted connection to a remote system?

Utilizing CA-signed certificates on the host is a highly recommended mechanism for establishing a secure and trusted connection to a remote system. This approach leverages the established trust framework provided by Certificate Authorities (CAs), which issue digital certificates that validate the identities of the parties involved in the communication. When a CA signs a certificate, it effectively vouches for the identity of the certificate holder, ensuring that the connection is being made to a legitimate server rather than an imposter.

This method provides robust security through encryption and ensures data integrity and authenticity, making it particularly effective for secure communications over networks. By using CA-signed certificates, organizations can take advantage of well-defined security protocols such as SSL/TLS, mitigating risks associated with eavesdropping and man-in-the-middle attacks.

Additionally, the infrastructure for managing CA-signed certificates is generally well-established, meaning that organizations can easily integrate them into their security policies and network configurations. This makes CA-signed certificates a widely accepted and trusted method for securing communications across various applications and services.