[patall]

Actually, genome editing would rather provide a defense against such an attack as you could specifically augment your DNA to look like someone else or be heterogeneous (within limits of autoimmune responses).

I also fail to see how it could help to create something like FOXDIE (I have only read a short wiki article about it)? I mean you can create viruses with a certain sequence already now, so is no clear connection between creating a targeted virus and genome editing? Sure, you can edit the genome but injecting a single malicious gene is much easier (which seems to be the case for the fictional FOXDIE)