'SAN or Single Domain Certificate?

I want to use a multi-domain SAN certificate for 5 of my public-facing domain. All of these domains point to the same ingress server (SSL is terminated at LB), but the backend may be different.

Now I want to understand if SAN is a good choice or I should go with a single domain certificate for each of the domains considering the security?.

If I go with a single domain certificate, does the compromise of one domain affects all other domains since all are terminated to the same ingress server controller?



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