Reply to post: “Principle of Least Access”

Tolerating failure: From happy accidents to serious screwups … Time to look at getting it wrong, er, correctly

Keith Langmead

“Principle of Least Access”

Aside from the obvious security benefits, my favourite side effect of a properly laid out “Principle of Least Access” is it can sometimes make tracking down the source of an issue much faster. Had a customer suffer from a randomware attack in the past, and being able to quickly say :

"OK, content in folders A, E and F have been encrypted, but not the other folders. Which user or users only has access to that specific set of folders? Focus our investigation on their machines so we can find the culprit, get it disconnected from the network, and get the borked data recovered from backup".

Not the only way to track things down, but sometimes you get lucky and can either immediately identify the infected machine, or at least massively narrow down the scope of the search.

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