defence in depth intro

assignment

• Defence in depth challenges

medium

• Defence in Depth - an Intro

youtube

• url https://www.youtube.com/watch?v=KTh0d9nuPiA

• url https://www.youtube.com/watch?v=n31JJYeeFBY

• url https://www.youtube.com/watch?v=CQ1cb_9h3S8