FIGURE 1-18. IFTTT recipe to change bulb colors to match a tagged Facebook photo
As shown in Figure 1-19, when an attacker uploads an image on Facebook that is com-
pletely black and tags the victim, the recipe causes a blackout in the victim’s home or office.
CHAPTER 1: LIGHTS OUT—HACKING WIRELESS LIGHTBULBS TO CAUSE SUSTAINED(^34) BLACKOUTS