The USA’s National Institute of Science and Technology (NIST) and the Department of Homeland Security (DHS) have each published a set of IoT security guidelines, amid a period of particular fragility in the industry following recent spates of devastating DDoS attacks by Mirai botnets – exploiting preventable vulnerabilities in a myriad of connected devices. The two documents hope to breathe a little optimism into a market down on confidence, with differing takes on how the battle against cyber attacks should be approached. NIST has opted for a crackdown on hardware flaws at the source, while the DHS has outlined basic security principles that are neither new nor revolutionary. You’d think that the DHS would have the authority to impose strict…