Cross-Certificate definition in Computer Security terms:

Acronym(s): None

Definition(s): A certificate issued from a certification authority (CA) that signs the public key of another CA not within its trust hierarchy that establishes a trust relationship between the two CAs.
Source(s): CNSSI 4009-2015 (CNSSI 1300)

A certificate used to establish a trust relationship between two Certification Authorities.
Source(s): CNSSI 4009-2015 (NIST SP 800-32)

Synonym(s): None


reference: CSRC Glossary