Defense in depth

Wishlist for a heroic editor to someday tick off:

• Add an explanation of the basic concept
• Add a mention or explanation of the many similar/identical concepts that go by different terms
  • Here's a list from Luke Muehlhauser:
    • "Related (and in some cases near-identical) concepts include the "web of prevention" (Rappert & McLeish 2007; Revill 2016), the "Swiss cheese model" (Reason 1990; Reason et al. 2006; Larouzee & Le Coze 2020), "layers of protection" (Center for Chemical Process Safety 2017), "multilayered defense" or "diversity of defense" (Chapple et al. 2018, p. 352), "onion skin" or "lines of defense" (Beaudry 2016, p. 388), or "layered defense" (May et al. 2006, p. 115)."
• Add discussion of how this concept is relevant to existential risk in general or various specific existential risks, global catastrophic risks, existential risk factors, and/or risks of other negative trajectory changes
  • Things this could draw on include the Cotton‐Barratt, Daniel & Sandberg paper; footnote 19 from Muehlhauser; and https://forum.effectivealtruism.org/posts/emvBqtzYYRQwGrazx/the-web-of-prevention
  • I have in mind the concept's relevance both to risk analysis and to risk mitigation
• Maybe add discussion of how this concept has been applied in various mainstream (non-EA) fields/communities/etc.
  • This could again draw on footnote 19 from Muehlhauser
    • (Man, that's a good footnote)
• Look through some of the sources cited in the tagged posts, add some to the Bibliography here, and draw on ideas from some of them for the text of the entry itself