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Home/Glossary/Deepfake
Glossary · Technical Concept

What Is a Deepfake?

AI-generated synthetic media — fake videos, audio clips, or images that realistically depict real people saying or doing things they never actually said or did, created using deep learning neural networks.

Quick Definition

AI-generated synthetic media — fake videos, audio clips, or images that realistically depict real people saying or doing things they never actually said or did, created using deep learning neural networks.

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01Deepfake explained.

Deepfake technology uses artificial intelligence to create incredibly realistic fake media. The term combines "deep learning" (the AI technique) with "fake." What once required Hollywood-level special effects can now be done with consumer hardware and freely available software.

Deepfake audio can clone anyone's voice from just a few seconds of sample audio. Video deepfakes can put anyone's face on any body in real-time. These technologies are being weaponized for fraud, creating fake evidence, and impersonation at an alarming rate.

The implications for scams are enormous. Deepfake voice calls can impersonate family members in "emergency" calls. Deepfake video calls can impersonate executives in business fraud. Deepfake images create convincing fake identities for catfishing and romance scams.

02How it works.

01AI models are trained on images, video, or audio samples of the target person
02The model learns to generate new content that mimics the target's face, voice, or mannerisms
03New synthetic media is generated that looks and sounds like the real person
04The deepfake is used in scam calls, video conferences, social media posts, or other deceptions
05Victims believe they are interacting with a real person and comply with requests

03Real-world example.

In early 2024, an employee at a Hong Kong multinational was tricked into transferring $25 million after a video call with deepfake versions of the company's CFO and other executives. Every person on the call was an AI-generated deepfake, but the employee had no way to tell.

04How to protect yourself.

01Establish family code words for emergency calls to defeat voice cloning
02Request that callers perform an unpredictable action during video calls if you have any doubt
03Be skeptical of any unexpected call requesting money, even if the caller looks and sounds familiar
04Verify requests through a separate communication channel before taking action
05Limit personal videos and voice samples shared publicly, as they can be used to create deepfakes
Related Terms
VishingSocial EngineeringCatfishingBusiness Email Compromise (BEC)
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