Use cases

Stop Click-Through Rate Fraud with Prosopo

Stop click-farms and bot clicks polluting your ad spend. Protects your click-tracking and conversion endpoints at the edge on Cloudflare Workers or AWS Lambda@Edge, so your engagement metrics reflect real users — not toolkits.

What is CTR Fraud?

Click-Through Rate (CTR) fraud is a deceptive practice in digital advertising where bots or automated scripts generate fake clicks on paid ads. The goal may be to artificially inflate engagement metrics, drain competitors’ advertising budgets, or manipulate analytics to misrepresent campaign performance.

CTR fraud affects all types of digital advertising, including search ads, display networks, social media campaigns, and affiliate marketing programs. Unlike accidental clicks from real users, fraudulent clicks are automated, repetitive, and designed to go undetected by standard tracking methods.

Why CTR Fraud Matters

The consequences of CTR fraud ripple across advertisers, platforms, and users:

  • Wasted Ad Spend: Advertisers pay for clicks that have no genuine conversion potential, reducing ROI and campaign effectiveness.
  • Skewed Analytics: Fraudulent clicks distort performance metrics, making it harder for marketers to optimize campaigns or measure true engagement.
  • Loss of Trust: Ad platforms and networks can lose credibility if advertisers suspect that traffic quality is unreliable.
  • Competitive Manipulation: CTR fraud can be used maliciously to drain a competitor’s ad budget, creating an unfair advantage in digital marketplaces.

For marketers and platform operators, proactively addressing CTR fraud is essential to maintaining campaign integrity, optimizing budgets, and protecting the advertising ecosystem.

How Prosopo Protects Against CTR Fraud

Prosopo scores every click and conversion event so your spend metrics reflect real engagement instead of bot noise:

  • How the visitor behaves. Mouse movement, scroll rhythm and typing cadence. Automation repeats itself in ways a person does not, and that holds even when every other detail about the session looks ordinary.
  • Residential proxy and click-farm detection. Modern click fraud routes through residential IPs and real-device farms to evade traditional ad-fraud filters. Prosopo's bot protection labels those networks even when the IP looks clean.
  • Sudden surges from the wrong places. A normal day sees steady traffic from your usual markets. A coordinated burst from hosting networks or unfamiliar regions gets extra checks, without slowing anyone else down.
  • Detection that moves during the attack. When an operator changes tactics mid-attack, the platform adjusts while it is still happening rather than in a write-up afterwards.
  • GDPR-compliant by design. No tracking cookies, no third-party data sales — clean compliance for ad campaigns subject to regulatory scrutiny.

The result: real engagement counts, bot clicks don't, and your spend goes where it should.

What to use

  • Bot Protection — score every click so your ad-spend metrics reflect real engagement, not bot noise.
  • Access Control — block click-farm ASNs, datacenter ranges and known-bad TLS fingerprints from reaching ad endpoints.
  • Enterprise (Prosopo Protect) — verify click-tracking and conversion endpoints before they record an event.

See what's reaching your site

A Bot Exposure Assessment is a 30-minute call with an engineer. We look at your traffic, show where your current setup leaves gaps, and agree how a trial would be judged. Nothing to install first.