The CISM certification program would identify the CISSP credential's achievement as a baseline representation that an individual would have gained general information security knowledge and skill, just as it would be done with individuals who would have achieved CISA. As such, CISSP is going to receive a two-year general information security experience waiver.
CISM is a certification considered to be offered by ISACA, which would be validating a person’s skill and knowledge in managing enterprise information security teams.
The Certified Information Security Manager or CISM certification is considered to be an Information Security credential that would be offered by ISACA and focuses on teaching the relevant managerial skills associated with IT security.
Obtaining a CISM certification would demonstrate you would have sufficient skills for understanding the relationship between an information security program and broader business objectives.