Wi-Fi jamming to knock out cameras suspected in nine Minnesota burglaries – smart security systems vulnerable as tech becomes cheaper and easier to acquire::A serial burglar in Edina, Minnesota is suspected of using a Wi-Fi jammer to knock out connected security cameras before stealing and making off with lots of loot. Such techniques are increasingly popular with criminals.
You cannot block a camera from seeing by jamming the wifi. It could simply save the video feed locally and send it to the server when the wifi is restored.
Unless they steal the router…
You can still just restore the network and wait for the camera to sync. Feed not lost unless too long time has gone by and buffer has wrapped around