Cisa is an information system audit certification and cissp is an information security certification, both of which are the most authoritative and recognized certifications in the world. They are all international certificates with different emphases.

The abbreviation of CISSP (Certification for Information System Security Professional) is a certificate that reflects the level of information system security practitioners. CISSP can prove that the certificate holder has the knowledge and experience of information security that meets the requirements of international standards.

CISA (Certified Information System Auditor) has been registered by ISACA with the registration number 1978. CISA certification has become a symbol of the holder's achievements in the professional fields of information system audit, control and security, and has gradually developed into a globally recognized standard.

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