|7 min read|Yvann Lièvre

Deepfakes and Social Engineering: The New Enterprise Threat

CEO fraud worth $25M, deepfake detection, team training: how enterprises must protect themselves.

DeepfakeSocial Eng.

In February 2024, a Hong Kong company lost $25 million after an employee participated in a video conference with what they thought was their CFO and several colleagues. All were real-time deepfakes. The era where "seeing is believing" protected businesses is over.

Deepfakes: Threat Landscape in 2026

Deepfake technology has accelerated dramatically. What required hours of GPU processing in 2023 now runs in real-time on consumer hardware:

  • Real-time video deepfakes: face swapping during video calls with lip sync and facial expressions

  • Voice cloning: 3 seconds of audio is enough to convincingly clone a voice

  • Document generation: fake IDs, fake wire transfer orders, fake emails mimicking writing style

  • Accessibility: tools are freely available on GitHub, the technical barrier is nearly zero

Attack Scenarios

Enhanced CEO Fraud

Traditional CEO fraud (email from the CEO requesting an urgent wire transfer) was already effective. With a voice or video deepfake of the CEO, the success rate skyrockets. The employee sees and hears their supervisor: why doubt?

Job Interview Compromise

Attackers use deepfakes to pass remote job interviews, gaining access to internal systems once hired. The FBI issued a specific alert about this vector.

Market Manipulation

Fake videos of executives announcing financial results or acquisitions can manipulate stock prices while the disinformation spreads.

Multi-Channel Social Engineering

The attacker combines a phishing email (AI-generated content mimicking writing style), voice call (cloned voice), and potentially a video conference (video deepfake) for an attack with overwhelming credibility.

Deepfake Detection

Detection is an arms race, but techniques exist:

  • Visual artifact analysis: inconsistencies in blinking, reflections, face edges, skin texture

  • Audio analysis: micro-frequency variations absent in synthetic voices, compression artifacts

  • AI-based detection: models trained to spot generated content. ThreatClaw integrates this capability into its detection platform

  • Watermarking and provenance: C2PA standards for multimedia content provenance

Protection: Beyond Technology

Verification Procedures

Technology alone is not enough. Companies must implement multi-channel verification procedures:

  • Any transfer above a threshold requires confirmation through a different channel (call to a known number, not the one provided)

  • Verbal password or rotating code to validate identity during sensitive calls

  • Four-eyes principle: two people to validate critical operations

Team Training

Specifically train teams on deepfakes. Exposed employees (finance, executive assistants, HR) must know the threat and verification reflexes.

Monitoring and Detection

Integrate deepfake detection into your security chain. Our experts can assess your exposure and implement appropriate countermeasures. Check our plans.

FAQ

Can a deepfake really fool someone on a video call?

Yes. Current technologies enable real-time face swapping with quality sufficient to deceive an unsuspecting participant, especially at standard video conferencing quality.

How do you verify a call is legitimate?

Hang up and call back on a number you know (not the one provided in the call). Use a pre-agreed verbal password. When in doubt, require written confirmation through a separate channel.

Are detection tools reliable?

They are improving but none are 100% reliable. AI detection is an arms race. This is why organizational procedures (multi-channel verification) remain essential.

Is our company a target for deepfakes?

Any company is a potential target. Priority targets are companies with large financial transfers, publicly visible executives (videos, conferences), and weak validation processes.

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