Almost two out of three organisations have faced a deepfake attack, and one in three have seen an attack on their AI applications, according to a 2025 Gartner survey. Generative AI has made deception cheaper, faster, and personalised at scale. Deepfakes are the latest development in social engineering. Human trust, not technology, is now the primary attack surface. Attackers are weaponising AI to impersonate executives, exploit trusted brands, and manipulate human behaviour.