What defines a deepfake?

A deepfake is defined as synthetic media in which one person's likeness is replaced with another person's likeness using artificial intelligence and machine learning techniques. This technology allows for the creation of highly realistic videos or audio recordings that can convincingly portray someone saying or doing things they have never actually done. The production of deepfakes relies on advanced algorithms that can analyze and mimic the facial expressions, voice, and movements of a person, making them appear authentic.

This is distinguished from other options, as an aesthetic image edit does not fundamentally change the identity of the person represented, and a virtual reality simulation involves creating immersive environments rather than altering the representation of individuals. Similarly, the use of encryption methods pertains to securing data rather than the manipulation of media for deceptive purposes, which is the core of what deepfakes entail. This specificity in the definition helps in understanding the potential implications and challenges associated with the spread of deepfake technology, particularly in cybersecurity contexts.