Rational brain · Logic, Epistemics & Argument

Deepfakes & Synthetic Impersonation

AI-generated voice, video and text impersonate trusted people and institutions; the second harm is the 'liar's dividend' — real evidence dismissed as fake.

An everyday example

A voice call from 'the CFO' authorising an urgent wire, cloned from a podcast appearance.

What it can cost you

Acting on fabricated instructions; disbelieving genuine evidence; urgency plus authority overriding verification.

Warning signs

  • It sounds exactly like them and wants money now.
  • Verification feels rude.

One thing to do

Verify through a second, pre-agreed channel for any high-stakes instruction, however real it sounds; establish code words and callback rules in advance.

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