Deepfakes in Advertising and Marketing: The Growing Cyber Threat in 2026 and How to Respond

In 2026, deepfakes have become one of the most significant challenges in digital marketing and advertising. The AI technology that creates almost indistinguishable fake videos, audio, and images has moved from occasional use to widespread adoption, primarily for fraud and harm. In recent months, reports of deepfakes used in fake advertising campaigns, financial scams, and attacks on brand reputation have become routine, placing the issue high on the agenda for marketers, cybersecurity professionals, and regulators.

How deepfakes are changing the rules of advertising

Deepfakes make it possible to produce remarkably convincing visual and audio content quickly:

• A senior executive "approves" a large money transfer on video
• An advertising celebrity "announces" an exclusive offer that does not exist
• A viral campaign looks 100% real, but aims to steal personal details or money

On the positive side, innovative companies use deepfakes to create personalized ads quickly: adapting a spokesperson for a local market, producing versions in different languages from the same footage, or even making personalized videos for VIP customers. However, harmful use far outweighs this: fake ads spread through social media, emails, or scam websites, leading consumers to believe they come from a familiar brand.

The widespread availability of deepfake creation tools, some free or very inexpensive, allows both individuals and criminal organizations to produce high-quality fake content quickly. The result is a sharp increase in this type of fraud.

The main cyber threats in the deepfake era

The combination of deepfakes and advertising creates new and dangerous risks:

• Enhanced BEC scams: impersonating executives through fake videos or video calls to authorize money transfers
• Direct damage to brand reputation: deepfakes attributed to a brand cause lost trust, public relations crises, and financial losses
• Digital identity theft: creating "synthetic identities" for advertising, purchases, or access to corporate systems
• Mass manipulation: deepfakes circulated as "evidence" or "testimonials" influence thousands of consumers' purchase decisions

The major challenge is that advanced deepfakes are now almost impossible to detect with the unaided human eye, while traditional detection tools struggle to keep pace with model development.

The impact on marketing and brands

Marketers face new questions:

• How do you build trust when any video could be fake?
• How do you respond quickly when a deepfake impersonates your brand?
• How do you keep using AI to create content without losing credibility?

Major platforms are tightening policies against deceptive deepfakes, but enforcement remains imperfect. Meanwhile, budgets for content security, identity verification, and detection technology are growing significantly. Brands that ignore the threat may find themselves at the center of a public scandal, while those that lead on transparency and verification gain a long-term competitive advantage.

Strategies for protection and progress in 2026

To protect your brand and keep growing in the deepfake era:

1. Use multilayer verification: every sensitive financial or contractual action requires human approval plus a biometric check
2. Clearly label AI content: every AI-generated video, audio recording, or image must carry a visible label
3. Use advanced verification technologies: adopt invisible digital watermarking, cryptographic signatures, and automated deepfake detection tools
4. Provide regular training: run deepfake attack simulations for employees, including how to identify suspicious signs such as mismatched lip movements or changes in voice
5. Establish a rapid response team: continuously monitor fake content attributed to the brand and respond within hours

Brands that adopt "transparency by default," for example, "This video was created with AI assistance," and invest in verification will strengthen consumer trust in a world where anything can be faked.

Conclusion

Deepfakes are no longer a "technology gimmick." They are a real and growing threat to cybersecurity and marketing in 2026. Marketers and brands that ignore the risk may pay a heavy price in reputation and money. Those that combine creative innovation with effective protection, transparency, and verification will lead the industry in a future where truth has become scarce and the ability to prove it is the greatest competitive advantage.

For more information: experis.co.il/cyber