Keys to defeating deepfakes are content and context. If a video appears in which someone is suddenly saying something markedly out of character or significantly contrary to their usual messaging - especially in a public place - then that is cause for suspicion.
However well language, delivery and mannerisms may have been imitated, the message will have been concocted by someone other than the subject (or their usual speechwriters, in the case of a politician). Unless they are saying exactly the same things they normally do, that difference will be detectable. Indeed, is often glaringly obvious as being the central thrust of the deepfake.
An inherent public suspicion of any unsourced footage of public figures may let some get away with genuine gaffes or outrages for which they would previously have been caught out. But that's better then people simply believing in every video which pops up in their YouTube/Twitter feed. |  |
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