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Topics tagged deletion (46 questions) and securedelete (only 7 questions, some even having both tags...) seem to cover similar domains: how to delete disks, files, VM, DB entries, etc.
Shouldn't securedelete be merged into deletion or linked as synonyms?
On another SE, I would say "no". But on Information Security, I think the answer is "yes".
The notion of "deleting information", in a security context, implies - or should imply - securely deleting that information.