TOKYO -- Nikon, Sony Group and Canon are developing camera technology that embeds digital signatures in images so that they can be distinguished from increasingly sophisticated fakes.
Digital signatures to provide way to tell real photos from deepfakes

Sony will release a firmware for professional-grade cameras to embed digital signatures in photos. (Sony Group)
TOKYO -- Nikon, Sony Group and Canon are developing camera technology that embeds digital signatures in images so that they can be distinguished from increasingly sophisticated fakes.