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Fraud · 11 December 2025

2025 in review: the year AI attacked identity, and cryptography held

Deepfake calls, synthetic customers, GenAI document mills: 2025 was the stress test. What held, what broke, and the architecture lesson for 2026.

If 2024 was the year generative fraud arrived, 2025 was the year it industrialised. Deepfake video calls moved from anecdote to standard enterprise threat briefing. Document forgery became a subscription service. Synthetic identities matured from credit-bureau curiosity to mainstream loss category. Fraud teams spent the year discovering which controls were real and which were theatre.

What broke

Everything that trusted pixels broke. Photo-of-document checks, selfie comparisons without certified liveness, voice recognition, "I saw them on the call": each fell to generation or injection attacks. Knowledge-based authentication completed its long death. SMS codes survived only where nothing better existed.

What held

Cryptography held. Passport NFC chips resisted a year of AI advances for a simple reason: generative models synthesise appearances, and chips are not appearances, they are government signatures. Certified liveness detection (ISO 30107-3) held against injection. Qualified signatures and seals kept court-grade evidentiary value precisely because their trust is mathematical, not perceptual.

The 2026 posture

The lesson writes its own strategy: move every high-stakes decision from perception to cryptography. WeVerify's stack, chip-level KYC, certified liveness, qualified signing, sealed video, held a no imposter accepts recorded to date through the worst year attackers ever offered. 2026 will be worse. Architecture beats vigilance.

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