ARM builds up security in the tiniest IoT chips

IoT is making devices smaller, smarter, and – we hope – safer. It’s not easy to make all those things happen at once, but chips that can help are starting to emerge.

On Tuesday at ARM TechCon in Silicon Valley, ARM will introduce processors that are just a fraction of a millimeter across and incorporate the company’s TrustZone technology. TrustZone is hardware-based security built into SoC (system on chip) processors to establish a root of trust.

It’s designed to prevent devices from being hacked and taken over by intruders, a danger that’s been in the news since the discovery of the Mirai botnet, which recently took over thousands of IP cameras to mount denial-of-service attacks.

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