Prerequisites

• This issue has an informative and human-readable title.

💡 Summary

Create the new Security Suite Baseline (baseline change only), code changes out of scope for this one.

Motivation and context

Follow on issue to #1508.

Implementation notes

• Create the new baseline
• Update the Teams baseline
• Update the EXO baseline
• Update the NIST mappings CSV

Acceptance criteria

The steps linked in the implementation notes have been completed.