alt Hacker NewsAnother breathless fearmongering. "threatens"? No, I don't think network booting is even all that common outside of extremely niche scenarios.
Instead, it applies only to organizations with machines that boot from local networks, or conceivably from Internet-connected resources.
Who is PXE-booting over the open Internet!?
Several large bare-metal hosting companies. Not over the open Internet, but that doesn't matter if the management networks are shared and the price of admission a single server rental.