What is a self-signed certificate primarily used for in network security?
Verifying external server identities publicly
Establishing internal trusts and testing environments
Issuing certifications for interoperability with other organizations
Reducing the operational costs associated with public key infrastructure
A self-signed certificate is primarily used to validate identity and enable encrypted connections without relying on external Certificate Authorities (CAs). Because it is generated and signed by the same organization or individual that uses it, a self-signed certificate is well suited for internal environments or testing scenarios where trust is already established. In public-facing situations, however, these certificates are less reliable because no third-party has verified the certificate holder's identity.
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