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Fraud Type Guide

Attribution Hijacking: When Fraudsters Steal Your Marketing Credit

Fraudsters intercept attribution signals to claim credit for conversions they never influenced — corrupting your data and draining your budget.

What Is Attribution Hijacking?

Quick answer: Attribution hijacking is when fraudsters intercept attribution signals to claim credit for conversions they didn't drive. Also known as attribution fraud.

Attribution hijacking occurs when bad actors manipulate tracking parameters, inject fraudulent clicks, stuff cookies, or spoof referral data to make it appear as though they were responsible for a user’s conversion. The real marketing channel that influenced the user gets no credit, and the fraudster collects the payout.

This type of fraud is particularly damaging because it does not just waste budget — it actively corrupts your attribution models and leads you to make worse optimisation decisions over time. Channels that genuinely drive results appear to underperform, while fraudulent sources look like top performers.

Attribution hijacking is also commonly referred to as attribution fraud. For a comprehensive overview of this fraud category, including detection strategies and prevention techniques, see our dedicated guide.

Read the Full Attribution Fraud Guide →

Frequently Asked Questions

Attribution hijacking is a type of ad fraud where bad actors intercept or manipulate attribution signals — such as click IDs, referral parameters, or tracking cookies — to falsely claim credit for conversions they did not influence. It is also commonly referred to as attribution fraud.
Click injection is one specific technique used to perform attribution hijacking on mobile devices. Attribution hijacking is the broader category that includes click injection, cookie stuffing, referral spoofing, and other methods used to steal conversion credit across all digital channels.
Look for abnormally short click-to-install times, sudden spikes in conversions from specific sources without corresponding engagement, mismatched geographic data between clicks and conversions, and unusually high conversion rates from low-quality traffic sources. Opticks analyses these signals in real time to flag attribution hijacking automatically.

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Related Resources

Attribution Fraud Guide What Is Ad Fraud? Glossary of Ad Fraud Terms

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Opticks analyses every click and conversion signal to identify attribution hijacking before it corrupts your data. No code changes required.

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