Deepfakes are an AI technology based created realistic fake images or videos of targeted people by swapping their faces other person saying or doing things that are not actually done by them. And people start believing in such fake videos, as its is not recognizable with normal human eye, it requires in-depth analysis.

How does Deepfake work?

A Deepfake video seems like a original content having the person doing some kind of action or speaking on a topic. And while creating such fake videos, multiple images of the targeted person from different angles is used to superimposed on original face.

Images are compromised with faces and other body parts, to make it look original, while creating videos, the voice is also cloned with targeted person using the AI-enabled tools to simplify the process and match the lips moving according to words spoken. Source