Affiliate

CPI campaigns

SDK spoofing

SDK spoofing on affiliate CPI campaigns

SDK spoofing extracts CPI commission for installs that never happened. Fraudulent publishers transmit fabricated MMP signals that are indistinguishable from genuine installs, requiring behavioural and statistical detection to catch.

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Trusted by leading brands worldwide

SDK spoofing is the most technically sophisticated CPI fraud type, requiring dedicated behavioural detection to identify

SDK spoofing is the most advanced form of CPI affiliate fraud. Fraudulent publishers reverse-engineer the SDKs used by mobile measurement partners, reproducing the exact cryptographic signals, device identifiers, and event sequences that a genuine app install and first launch would generate. They then transmit these spoofed signals directly to your MMP, bypassing the need for any real device, any real install, or any real user entirely. Your MMP records a perfect-looking install event. Your affiliate network attributes it to the publisher. And a CPI commission payout flows to a publisher that produced nothing.

SDK spoofing is particularly difficult to detect because it attacks the attribution data directly rather than through observable traffic behaviour. There is no device to analyse, no session to review at the device level, and no click behaviour to examine. The spoofed signals are technical replicas of legitimate install data. Detection requires a different approach: statistical analysis of install timing distributions, device signal cluster anomalies, and post-install behavioural modelling that identifies the patterns spoofed signals cannot credibly replicate. Tapper's SDK spoofing detection combines MMP signal analysis with statistical and behavioural modelling to surface spoofed installs that pass every standard fraud filter your affiliate network and MMP apply.

How Tapper stops sdk spoofing on Affiliate cpi campaigns

Three steps from connection to clean campaign data, no engineering required.

Integrate your MMP and CPI affiliate tracking with Tapper

Tapper connects to your mobile measurement partner (AppsFlyer, Adjust, Kochava, Singular, or Branch) and your affiliate tracking, monitoring the full install signal chain for spoofing patterns.

Spoofed install signals detected through behavioural modelling and statistical analysis

Tapper compares install signal clusters against known SDK spoofing signatures, analyses timing distribution anomalies, and applies post-install behavioural modelling to identify spoofed sessions that pass standard MMP and network fraud rules.

SDK-spoofed CPI installs rejected before commission payouts

Identified spoofed installs are flagged and excluded from commission calculations, protecting your CPI budget and providing the detailed evidence needed to remove fraudulent publishers from your programme.

SDK spoofing on Affiliate cpi campaigns by the numbers

Data from Tapper's platform analysis and published industry research.

Of mobile ad fraud uses SDK spoofing techniques

0-15%

Of affiliate spend lost to fraud on average

SDK spoofing detection rate by Tapper

Of mobile installs are fraudulent globally on average

Tapper vs Affiliate Network Fraud Detection

See exactly where the gaps are, and why they matter to your cpi campaigns performance.

Capability

Tapper

Affiliate Network Fraud Detection

SDK spoofing detection on CPI programmes

Behavioural modelling and signal cluster analysis per install event

Device signal matching only, bypassed by SDK spoofing by design

Statistical anomaly detection

Timing distribution and cluster analysis identifies spoofed patterns

Threshold rules miss statistically distributed spoofing

MMP compatibility for CPI fraud

Works alongside AppsFlyer, Adjust, Kochava, Singular, and Branch

Relies on MMP own detection only

Pre-payment CPI rejection

SDK-spoofed installs excluded before commission calculated

Dispute process after payout issued

Success stories

Trusted by industry leaders

See how companies are protecting their ad budgets and improving ROI with Tapper.

“Tapper played a key role in improving the efficiency of Du's performance marketing activity by addressing traffic quality issues within campaigns. Following implementation, Du achieved a 13% reduction in CPA and an 8.6% increase in order rate, demonstrating a clear improvement in conversion quality and overall campaign effectiveness.”

Joseph Elbcherrawy

Client Leadership Director, Mindshare, a WPP Media Brand

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“We uncovered low-quality traffic that wasn't visible inside the platforms. Removing it delivered a 14% uplift in conversions and an 11.4% reduction in CPA - a meaningful efficiency gain for INFINITI's 2026 growth plans.”

David Barnes

Data & Technology Lead, Omnicom Group

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“When we take low-quality traffic out of the funnel before it reaches the algorithm, the campaign optimises against cleaner signals and the efficiency comes through quickly. For AMA Nissan, that was a 40% lift in conversion rate and a lower CPA on Google, with nothing else in the setup changing. That is the kind of result we want to offer clients as a matter of course.”

Sohail Khan

Senior Performance Manager, WPP Media MENA

“Tapper identified and filtered traffic that was weakening campaign performance. That led to a 25.4% improvement in conversion rate and an 11.1% drop in CPL within two weeks.”

Ahmed Murtadha

Associate Director, PHD

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“With Tapper's protection we were able to identify and block invalid clicks in real time. The impact was immediate as our cost per acquisition dropped by 30% and ROAS improved significantly. More importantly, Tapper gives us the confidence that our campaigns are reaching genuine customers, which makes it truly invaluable.”

Dimitris Bakas

Senior Performance Marketing, Public Group

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“We've been using Tapper for over a year now, and it has become a core part of how we run paid media. Invalid traffic was always something we knew existed but couldn't really act on. Tapper changed that. We're now saving up to $50K per year, and on PureSquare specifically, we saw around a 20% decrease in CPA. Based on these results, we decided to roll it out across other ventures under Disrupt as well.”

Nurkan Kirkan

GTM Consultant / Paid Growth, Disrupt.com

Trusted by leading brands worldwide

Frequently asked questions

Everything about sdk spoofing on Affiliate cpi campaigns.

Most CPI fraud types, device farms, bot scripts, emulators, require some form of real or simulated device that produces observable traffic behaviour. SDK spoofing bypasses devices entirely by directly transmitting fabricated install signals to your MMP. There is no device to detect, no session to analyse, and no observable behaviour to score. The only detectable patterns are statistical anomalies in the install signal data itself, which requires a dedicated analytical approach rather than standard traffic quality monitoring.

MMPs have built detection mechanisms specifically targeting SDK spoofing, but sophisticated spoofing operations continuously update their techniques to bypass these rules. MMP detection focuses on device signal validation and CTIT analysis, which spoofing operations specifically engineer their signals to pass. Tapper adds a complementary statistical and behavioural analysis layer that focuses on patterns in the install signal data that are harder to spoof consistently, even for sophisticated operations.

Tapper provides a detailed fraud report for each flagged install, including signal cluster analysis, timing distribution anomaly data, post-install behaviour scores, and comparison against known SDK spoofing signatures. This documentation supports publisher removal from your CPI programme, commission clawback requests to your affiliate network, and, in cases of large-scale fraud, potential legal remedies. Our team can advise on the appropriate escalation path for each case.