"There's a lot of infrastructure that works like this that is not designed for somebody malicious to come after it," Kohlbrenner said. "We rely on people being kind of reasonable citizens to not do that.โ https://www.kuow.org/stories/seattle-jeff-bezos-deepfake-ai-crosswalks-hacked-cellphone

Seattle crosswalk signals with deepfake Bezos may have been hacked with just a cellphone
Instead of the little robotic voice that tells you to wait until it's safe to cross, at least five intersections in Seattle last week played something like this: "Hi, I'm Jeff Bezos. This crosswalk is sponsored by Amazon Prime with an important message. You know, please, please don't tax the rich, otherwise all the other billionaires will move to Florida, too."