There's WiFi enabled SD cards[0]. I had one of those and it was running Linux, you could SSH into it. Maybe the attack-surface to the host computer is smaller (

There's WiFi enabled SD cards[0]. I had one of those and it was running Linux, you could SSH into it. Maybe the attack-surface to the host computer is smaller (I'm not sure about that either). But there's certainly enough bad stuff an SD card could do. [0] https://hackaday.com/2016/06/30/transcend-wifi-sd-card-is-a-tiny-linux-server/ https://hackaday.com/2016/06/30/transcend-wifi-sd-card-is-a-...