The multi-layer ad fraud shield for Google Ads: it detects and blocks bots, sites built only to serve ads and fraud networks — automatically, 24/7 and inside your own account
This is an ordinary day inside your account: the mothership of "valid traffic" never rests — and neither does the shield.
Bots clicking on your ads, websites created only to serve advertising, apps that force accidental taps, forms filled in by machines… Ad fraud is not a rare event: it is a constant percentage of what you invest every month. And spotting it by hand is impossible — it hides spread across thousands of sites, each one spending "just a little".
Ninja Shield watches your account around the clock with several layers of defence that complement each other: what one layer misses, the next one catches. And it is all logged in a dashboard where you see, in euros, the work the shield is doing.
Every bot click and every forced visit inside a junk app comes out of your budget. Ninja Shield identifies them and turns off the tap: the site is excluded automatically and the money goes back to work where there are real people.
Fraud does not just cost money: it poisons the signals Google uses to train your automated bidding. With clean traffic, Maximize conversions and tCPA learn from real customers — and every euro bids better.
Fraudulent sites also send fake leads that your team wastes time calling. Ninja Shield scores every form by how it was filled in, identifies the source of the fraud and removes it at the root — without ever blocking a real lead.
Ninja Shield is not a filter: it is a layered shield. Each layer attacks fraud from a different angle — the performance, the site, the visit, the lead, the network behind it — and what one misses, the next one catches. This is how your traffic flows through the shield:
Fully configurable performance rules that also recalibrate themselves every night: the system studies the day's traffic, spots the patterns of waste and adjusts its own thresholds.
We visit and examine every website where your ad appears and give it a suspicion score: empty sites made only to serve ads are exposed before they spend a penny of yours.
We measure the real behaviour of every visit you pay for: a human explores and hesitates; a bot arrives, touches nothing and disappears. When a site only sends "ghosts", it falls.
Every form reaches your CRM with an authenticity score based on how it was filled in. We never block a lead: we identify the placement manufacturing the fakes and cut it off at the root.
Fraudsters own many sites, but they share fingerprints. The detector connects the sites of the same owner and blocks the "siblings" of a fraudulent site before they spend a cent.
The layer that goes beyond Display: IP blocking of repeat attackers across every network — Search included, where there are no placements to exclude.
The performance of every placement, the anatomy of every site, the behaviour of every visit and the authenticity of every lead. Nothing is looked at in isolation.
Every signal adds or subtracts. One odd data point condemns nobody: fraud is confirmed by an accumulation of evidence.
Protection lists for legitimate sites, minimum data before acting and one golden rule: whatever brings you real business is never touched.
The block applies itself and is fully audited: what was excluded, when, by which layer and how much money it was costing. Every night, the shield recalibrates with what it has learned.
When the shield in any account uncovers a network of fraudulent sites, its fingerprint (anonymised, with no account data whatsoever) will pass into the shared intelligence of Ninja Shield.
The result: every other account will be protected from those sites from minute one, before they can spend a single cent. Each user makes the shield stronger for everyone.
Ninja Shield is in Alpha: the shield evolves with every version and the layers marked "In development" are not in production yet. And it integrates with Lead Rating ⭐: the real quality of your leads, validated by your team, shields the sites that bring business and exposes the ones that manufacture fake leads.
All the support you need to get the most out of your exclusions
So you know how every feature works.
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Proven methodology: You do not just exclude problem sites, you learn to spot fraud patterns and optimise your whole Display strategy.
We take care of everything: you do not have to touch a thing
🛠️ One-off setup fee: on top of the monthly subscription, installing Ninja Shield carries a one-off setup fee. It covers the set-up in your Google Ads account, the initial configuration of the protection scenarios tailored to your campaigns and the check that the whole system is working properly. Ask us for the price with no obligation.