glad it helps, we find microsoft open initiative more important than the mappings shared tough. in our experience mappings must be taken with a pinch of salt !
mapping Implementation guides/issues: https://docs.google.com/document/d/1N9DehnWjlCW4azkYhrLwSbWOAhgktj06PRrs3-ehYfk/edit#heading=h.8fu2f0mv9f0l
eramba mappings feature: https://docs.google.com/document/d/1N9DehnWjlCW4azkYhrLwSbWOAhgktj06PRrs3-ehYfk/edit#heading=h.segbsvlom2zt
eramba opensourcegrc.org database: Feature - opensourcegrc.org (wikipedia of grc)