Because the NSA is buying used laptops?

Supply chain attacks don't generally target the second hand market. Much more effective to upstream your attack to the vendor Apple buys parts from in China, and compromise every MacBook in one fell swoop

	▲	astrange 6 days ago \| parent [-]
		That's too discoverable to work. Supply chain attacks are by state actors who can interrupt specifically your order on its way to you and silently replace parts in it.