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Defense in Depth and Hardening

You will learn to pick the control class that removes what an attack depends on, and to tell removal from a setting. Interviewers ask 'how would you defend against that?' after every attack scenario.

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One scanner fleet keeps SMBv1 alive for 600 hosts - how do you actually retire the protocol?

level: principalimportance: nice to knowfreq 33%

basics

~20 s

Treat it as a capital replacement, not a security change. Find the one remaining consumer, upgrade or replace it against the budget that owns the device, attach an owner and a date, and scope the exception to that device meanwhile.

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A customer's contract cites your hardening benchmark percentage — should you re-rank the standard's items?

level: principalimportance: nice to knowfreq 30%

basics

~20 s

Keep the published list untouched as the outward number and add an internal load-bearing subset that drives engineering priority. Re-ranking the standard itself destroys the only property the number had — that you did not choose the weights — and leaves nobody able to compare you with anyone.

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