

Affiliate marketing drives billions in sales – and billions more in hidden losses.
Brand bidding, ad hijacking, coupon abuse, and more subtle forms of affiliate fraud can quietly drain ROI and distort attribution.
For performance leaders, the question isn’t if this happens, but how much you’re already losing.
This article breaks down the most common types of affiliate marketing fraud and shows how modern monitoring tools like Bluepear help brands protect growth, reputation, and spend through smarter affiliate fraud detection strategies.
Why affiliate programs are under threat
Not all affiliate programs are created equal – and neither are their incentives.
In SaaS especially, affiliate commissions can reach 20% to 70%, making the channel both profitable and highly attractive to fraudsters. The higher the reward, the stronger the temptation to bend the rules.
Affiliate program fraud relies on trust gaps – brands expect partners to follow program guidelines, and partners expect fair tracking and attribution. But when incentives are high and oversight is low, blind spots appear, and that’s exactly where affiliate fraud thrives.
Scammers exploit these gaps by bidding on brand terms, hijacking ads, or using expired coupon codes to claim unearned commissions. It’s no surprise that 63% of affiliate marketers cite affiliate program fraud as one of their biggest challenges – ranking even above algorithm changes or partner support issues.
So can you guess what the real problem is? Â
Yes, most of this affiliate marketing fraud happens out of sight.Â
Affiliates run campaigns, ads, and landing pages that brands rarely monitor in real time. Without automated affiliate fraud detection, you might keep paying commissions on traffic you already own – or worse, fund those who impersonate your brand – without realizing it until the damage is done.


Inside the fraud playbook
Affiliate fraud tactics evolve fast – often faster than most programs can react.
Below are the schemes that drain budgets and skew performance data the most, along with ways to recognize them early and shut them down using proper affiliate fraud prevention measures.
1. Brand bidding
You’ve seen it before – someone’s bidding on your brand name in search.
Users who were already looking for your product click an affiliate ad instead.
You pay a commission for a sale you would’ve closed anyway, your CPC on brand terms spikes, and your premium positioning gets diluted by promo-heavy copy using your name.
It’s one of the simplest forms of affiliate fraud – and one of the hardest to spot without the right visibility.
How to respond:
- Add a full list of brand and close-variant keywords to your affiliate T&Cs.
- Watch for unexplained spikes in specific affiliate performance.
- Check branded search results regularly to see who’s actually running those ads – and document what you find.
How…
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