I think the post is at least 4-5 years old given the references to Matasano which was acquired before the startup that patio11 and tptacek did before Patrick be

I think the post is at least 4-5 years old given the references to Matasano which was acquired before the startup that patio11 and tptacek did before Patrick became an employee at Stripe, I would guess that the post is a bit dated - probably circa 2012 give or take a year or two.