The past few weeks have seen some of the largest DDoS attacks ever recorded—and they came from some strange places. A French webhost was hit by a surge of traffic from a botnet made up in part of hacked digital video recorders, and it seems the same group might've briefly knocked KrebsOnSecurity offline as well.

The hacked cameras are a perfect example of an iot device: a gadget that's internet capable, and set up right out of the box and then forgotten about—leaving it a tempting target for hackers.