Online Risk Labs· 24 April 2026· Meta

Online Fraud in Czechia: No Improvement in Sight

By Vendula Prokůpková

Online fraud remains a multi-billion-crown problem in Czechia, and the problem continues to grow. Fraudsters systematically exploit the lack of transparency in the online advertising market, while major platforms continue to lag behind in addressing this issue.

Ad Transparency & FraudArt. 34/35 — Systemic risk

Executive summary

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Online fraud remains one of the most significant cyber threats in Czechia, with no indication of declining activity. During the first quarter of 2026, Online Risk Labs identified approximately 22,000 advertisements published by accounts that systematically disseminate online fraud, with a cumulative reach of 65 million impressions. These campaigns primarily promoted fake investment platforms using AI-generated deepfakes, fake news websites, and the identities of trusted public figures. The findings demonstrate that fraudulent advertising continues to operate at an industrial scale despite ongoing platform enforcement. The report calls for stronger platform accountability and more effective implementation of the Digital Services Act to reduce systemic risks.

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