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Fraud, deepfakes and AiTM: what verification teams need to know


(@nhi-mgmt-group)
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Posts: 5324
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TL;DR: Impersonation fraud made up more than 85% of fraud attacks in 2025, AiTM attacks still bypass MFA via session cookie theft, and e-commerce hit a 19.2% net fraud rate, according to Veriff’s 2026 Identity Fraud Report, showing how AI and automation are changing verification. Conventional identity checks are no longer enough when the attack surface includes deepfakes, injected media, and real-time credential relay.

NHIMG editorial — based on content published by Veriff: Six key online fraud trends to watch in 2026

By the numbers:

Questions worth separating out

Q: How should security teams reduce fraud when attackers use deepfakes and synthetic identities?

A: They should combine document validation, liveness detection, behavioural analytics, and risk-based step-up checks rather than relying on a single identity proofing event.

Q: Why do AiTM attacks still matter if organisations already use MFA?

A: AiTM attacks matter because MFA can still be bypassed when an attacker relays the user’s authentication flow and steals the resulting session cookie.

Q: What breaks when organisations trust documents or devices too much in verification flows?

A: Proofing breaks when documents, devices, or captured media are treated as inherently reliable.

Practitioner guidance

  • Raise assurance for high-risk onboarding paths Use stronger verification for accounts or transactions that create outsized downstream trust, especially where documents, faces, and device signals can be manipulated together.
  • Adopt phishing-resistant authentication for exposed user groups Move targeted populations such as administrators, finance users, and support staff to certificate-based or similarly phishing-resistant methods so session relay becomes materially harder.
  • Treat session tokens as high-value assets Shorten token usefulness where possible, monitor replay patterns, and bind sessions more tightly to context so a captured cookie does not behave like a durable credential.

What's in the full article

Veriff's full article covers the operational detail this post intentionally leaves for the source:

  • Breakdowns of the fraud methods behind impersonation, AiTM, emulator, and injection attacks.
  • The report’s regional fraud pattern data for North America, the EU and UK, and Latin America.
  • Action guidance on facial biometric verification, behavioural analytics, machine learning, and fraud intelligence.
  • The EU AI Act angle for businesses using AI in fraud detection and prevention.

👉 Read Veriff’s 2026 fraud trends analysis for identity verification and fraud prevention →

Fraud, deepfakes and AiTM: what verification teams need to know?

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(@mr-nhi)
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Joined: 1 month ago
Posts: 4153
 

Fraud is now an identity governance problem, not only a detection problem. When impersonation fraud dominates and verification can be manipulated with AI-generated evidence, the boundary between fraud operations and identity assurance collapses. That means security teams need to govern how identity is proven, not just whether a transaction looks suspicious. The practitioner implication is that verification policy now belongs in IAM, not only in fraud tooling.

A few things that frame the scale:

  • Enterprises that have experienced a compromised NHI averaged 2.7 separate incidents in the past 12 months, according to The 2024 ESG Report: Managing Non-Human Identities.
  • 72% of organisations have experienced or suspect they have experienced a breach of non-human identities, which shows how quickly identity exposure becomes recurring rather than isolated.

A question worth separating out:

Q: How should teams prioritise fraud controls when identity risk spans onboarding and login?

A: They should prioritise controls that protect the highest-value trust decisions first, especially account creation, recovery, and access to payment or support functions. Those are the points where one successful deception can create persistent downstream exposure. Governance should follow the value of the identity outcome, not just the volume of attempts.

👉 Read our full editorial: Online fraud trends for 2026 show AI is reshaping verification



   
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