Trusted by 2,000+ businesses

Click fraud protection that stops it cold.

Real-time detection and blocking of fraudulent click sources. Competitor attacks, bot farms, click rings: identified and blocked from your ads. Protect your ad budget 24/7.

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More than 1 in 10 paid clicks blocked in October 11.5M traffic events analysed a month 7-day free trial
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Overview

What is click fraud protection?

In plain English

Software that spots fake clicks on your ads and stops whoever made them from clicking again.

Click fraud protection is software that scores every click on your paid ads in real time and blocks the sources of fraudulent ones so they can’t keep draining your budget. ClickGuardian weighs the four signals that matter most, IP reputation, device fingerprinting, behavioural analysis, and click velocity, then blocks offending sources and syncs them to your Google Ads exclusion lists automatically. It covers Google Ads and Microsoft Advertising from a single dashboard, with setup in about five minutes.

01
IP reputation

Datacentre, VPN, and residential-proxy scoring

02
Device fingerprinting

100+ signals that persist across IP changes

03
Behavioural analysis

Human versus automated interaction patterns

04
Click velocity

Timing and frequency anomalies per source

Refunded later, or blocked for good.

In plain English

Google refunds some fake clicks, later. We stop the same clicker coming back.

Platform-native protection

After the click
Refunded later
1 Click happens
2 You’re charged
3 Some credited back, later
Your daily budget Fraud Google catches Fraud that slips through

Google Ads and Microsoft Advertising filter the most obvious invalid clicks automatically and credit some back after the fact. Google doesn't publish how much they miss, and its own help pages say sophisticated bots can bypass its filters. Refunds arrive after the click has already eaten into your daily budget. Fraud built to evade them, residential proxies, AI-driven bots, and slow-drip competitor clicks, routinely slips through.

Dedicated click fraud protection

Before the next click
Blocked for good
1 Click happens
2 Scored in milliseconds
3 Source blocked from clicking again
Your daily budget One click per source Real visitors

ClickGuardian sits between the click and your budget, scoring every visit as it lands and blocking fraudulent sources from clicking your ads again, rather than waiting for a refund. It runs as a layer on top of the platforms' native filtering, catching the long tail their rule-based systems miss, across Google Ads and Microsoft Advertising.

The problem

Click fraud is costing you right now.

In plain English

Some of the people clicking your ads were never going to call you.

Search ads are a $114 billion market in the US alone, and click fraud follows the money into every account running paid ads. Every day, competitors, bots, and organised fraud networks click on your Google Ads and Microsoft Ads with zero intention of buying. The result: your budget drains faster, your campaigns underperform, and genuine customers never see your ads.

The scale is real. In October, more than 1 in 10 of the paid clicks we checked were blocked as invalid. Some accounts are hit far harder: in our October 2026 benchmark, 1 in 10 advertisers saw warning signs on 14% or more of their paid clicks, and the worst-hit account saw 26%. On $6,000 a month of ad spend, 1 in 10 clicks is about $600 a month, or $7,200 a year, at risk.

Google's built-in invalid click filters catch some of it, but Google doesn't publish how much gets past them, and its own help pages say sophisticated bots can bypass its filters. What gets through silently drains your budget and corrupts your campaign data and decision-making.

1 in 10+
Paid clicks we blocked as invalid in October
11.5M
Traffic events analysed every month
$600/mo
At risk on $6,000 a month of ad spend, at 1 in 10 clicks
14%+
Of paid clicks for the worst-hit 1 in 10 advertisers

New to the topic? Start with our guide to what click fraud is for the definitions, then read the click fraud prevention playbook for the five techniques that catch the long tail Google's filter misses.

The fraud methods we stop.

In plain English

The different ways people and programs waste your ad money.

ClickGuardian detects and blocks every major form of click fraud targeting your paid ads.
01 / 06

Competitor Clicks

In plain English A rival keeps clicking your ad to use up your budget.

Direct attacks from rivals clicking your ads to drain your daily budget and push your ads out of the auction.

Fingerprint matching Pattern detection
Detection engine

How we catch what Google misses.

In plain English

We check who is clicking, how they behave, and whether it’s a program pretending to be a person.

Three layered detection systems work together to identify fraud that single-method approaches cannot catch.

1

Device Fingerprinting

We collect and analyse 100+ signals from every visitor to create a unique device identity. Even when fraudsters change IPs, clear cookies, or use VPNs, their fingerprint persists.

Some of what we checkHardware ID Browser fingerprint Canvas rendering WebGL hash Audio context Font enumeration
2

Behavioural Analysis

Real humans behave differently from bots and scripts. We analyse micro-interactions that are nearly impossible for automated systems to replicate convincingly.

Some of what we checkMouse movement Keyboard dynamics Form interaction Scroll patterns Click velocity Session flow
3

Automation Detection

We detect the tools and frameworks that fraudsters use to automate their attacks. Even the most sophisticated headless browsers leave traces that our engine identifies.

Some of what we checkSelenium Puppeteer Playwright Headless browsers WebDriver flags CDP detection

Instant protection, continuous learning.

In plain English

It works on its own, around the clock. You don’t have to do anything.

ClickGuardian analyses every click in milliseconds, blocks fraudulent sources instantly, and gets smarter with every click.

Instant Blocking

Every click is scored in milliseconds. Fraudulent sources are blocked from clicking your ads again, stopping the waste immediately.

Auto IP Exclusion

Blocked IPs are automatically synced to your Google Ads exclusion lists. No manual work required.

Dynamic Updating

Detection rules update hourly based on emerging fraud patterns. New attack methods are neutralised before they spread.

Network-Wide Intelligence

Threat data from 2,000+ customers feeds our detection engine. A bot blocked on one account is blocked for everyone.

Real Customers Get Through

Clicks are scored on many signals together, not one blunt rule, so an unusual location or device alone won’t get a real customer blocked. Every block shows its reasons.

24/7 Protection

Your ads are protected around the clock. Fraud doesn’t sleep, and neither does ClickGuardian. Every click is analysed, day and night.

Full-traffic intelligence

Every visitor scored, not just paid ad clicks.

In plain English

We look at everyone who visits your website, not only people who clicked an ad.

ClickGuardian's Verideon engine analyses all site traffic, paid and organic, to build a richer detection baseline and surface threats most paid-focused tools miss entirely.

Better paid-click detection

A behavioural baseline built on real human traffic improves accuracy on the paid side. Tools that only see ad clicks have a narrower comparison set.

Fake leads from any source

Form spam and bot-generated submissions arrive from organic and direct traffic too. ClickGuardian flags them all, not just the ones that came from a paid click.

Catch reconnaissance attacks

Competitor scraping, pricing reconnaissance, and bot probes hit your whole site, not just your ads. Full-traffic scoring surfaces patterns that paid-only tools never see.

Traffic Quality Score for everyone

Every visitor gets a 0 to 100 reliability score, regardless of how they arrived. Use it to prioritise leads, segment retargeting audiences, or audit traffic mix at a glance.

The IP Checker proof point

Our public IP Checker is the customer-facing artefact of this dataset. The same engine that powers per-IP reputation lookups also powers your account-level detection.

Privacy-safe by design

Traffic analysis runs at the visitor-pattern level, not the personal-identity level. No cross-site tracking, no personal data sold, no surveillance of your customers’ identities.

Network effect

Fraud intelligence shared across our network.

In plain English

If a fake clicker is caught on someone else’s ads, it’s blocked on yours too.

Every detection makes the entire network stronger. When a new fraud pattern is identified on one account, every ClickGuardian customer is protected within minutes.

01

New bot detected on Account A

A sophisticated bot using residential proxies clicks ads on a plumbing company’s campaign.

02

Fingerprint captured and analysed

ClickGuardian creates a unique signature from 100+ data points covering device, behaviour, network, and automation signals.

03

Intelligence shared across the network

The bot’s fingerprint and attack pattern are distributed to all 2,000+ protected accounts in real-time.

04

All accounts protected instantly

The same bot is blocked before it can click on any other protected account. One detection protects everyone.

The more customers on our network, the stronger the protection. With 2,000+ businesses contributing threat data, ClickGuardian sees and blocks fraud patterns that no single-account tool could identify.

Dashboard

Real-time visibility into your traffic quality.

In plain English

See what’s been blocked and how much it saved you.

See exactly what's happening with your ad traffic. Every click scored, every threat identified, every dollar saved.

Real-time fraud feed Live
21:32:35 Twelve devices, one pattern Blocked
21:32:28 A real person, reading the page Allowed
21:32:21 Hiding behind a VPN, outside your area Blocked
21:32:14 A real person, who then called Allowed
21:32:07 Same person, 4th click today Blocked
21:32:00 A real person, nearby Allowed

Real-Time Fraud Feed

Live stream of every click hitting your ads with instant fraud scoring. See blocks happen in real-time as attacks are neutralised.

Fraud Metrics

At-a-glance metrics showing total clicks, fraud rate, money saved, and protection status across all your campaigns.

Fraud Breakdown

Detailed breakdown by fraud type (competitor clicks, bots, VPNs, click rings) so you understand exactly what’s targeting your ads.

Trend Analysis

Track fraud patterns over time. Spot emerging threats, seasonal spikes, and the impact of protection on your campaign performance.

Export & Integration

Export fraud data as CSV or PDF. Integrate with your existing reporting tools and share insights with your team or agency.

Custom Alerts

Set up notifications for fraud spikes, budget protection triggers, and unusual activity. Stay informed without watching the dashboard.

Solutions

Click fraud solutions for every campaign type.

In plain English

Whatever kind of Google or Microsoft ads you run, it’s covered.

Different campaigns leak in different ways. Search bleeds through competitor clicks and bots hammering your highest-intent keywords. Shopping and Performance Max lose spend to placement-level fraud you cannot see in the standard reports. Lead-gen campaigns attract fake form submissions that poison your CRM as well as your budget. A single static blocklist is not a solution to any of these.

ClickGuardian maps its click fraud solutions to how each campaign type actually leaks: real-time scoring with automatic IP exclusions on Search (see Google Ads protection), campaign-level exclusions where Performance Max allows them, fake lead detection on forms, and scoring with ranked, ready-to-apply exclusions for Microsoft Ads. All of it runs from one dashboard.

Still weighing up click fraud tools? The best click fraud protection tools roundup compares the main options side by side, including the cases where ClickGuardian is not the right fit.

Service

A click fraud protection service that runs itself.

In plain English

Set it up once and it runs itself. No one to hire.

The distinction that matters when you are buying: software gives you data, a service gives you outcomes.

ClickGuardian is built to behave like a click fraud protection service rather than another dashboard to babysit. Scoring, blocking, exclusion-list rotation, and reporting all run automatically once your account is connected. Setup through the Google Ads API takes about five minutes. On Microsoft Advertising, ClickGuardian scores traffic the same way and surfaces ranked IP exclusions ready to apply to your campaigns.

There is no analyst to hire and no weekly maintenance routine. Support is included on every plan, and pricing is a flat monthly rate from $49/mo, so the cost does not scale against you as your ad spend grows.

Playbook

How to stop click fraud.

In plain English

Try the free fixes first. Once you’re spending more, let it run automatically.

Stopping click fraud is a three-move sequence, and the first two are free.

Measure Free

Enable the invalid clicks columns in your campaign reports and watch the gap between clicks and conversions by keyword, device, and location.

Exclude Free

Block offending IPs and placements manually. The guide to how to stop click fraud on Google Ads walks through every native setting step by step.

Automate 7 days free

Manual exclusion only stops yesterday's offenders. Rotating residential proxies make a static IP list stale within days, and Google caps exclusion lists at 500 addresses. Once an account spends more than about $1,000 a month, the arithmetic favours automated protection: every visit scored in real time, exclusions applied and rotated for you, and a report showing what it saved. The free 7-day trial shows your actual fraud rate before you pay anything.

Frequently asked questions.

Common questions about click fraud protection and how ClickGuardian works.

How fast does ClickGuardian block fraudulent clicks?
Within seconds. We see the click first, run our detection rules, and then execute the block. Once fraud is detected, the source is immediately blocked from clicking your ads again. Your exclusion lists update automatically.

What types of click fraud do you detect?
We detect and block competitor clicks, bot farm traffic, click rings, VPN/residential proxy abuse, datacenter traffic, headless browser automation, and AI-powered bots. We also identify suspicious patterns that precede fraud.

Will ClickGuardian block legitimate clicks by mistake?
It's unlikely. We use behavioural analysis and device fingerprinting together to distinguish real users from bots, so a real customer isn't blocked for one unusual signal, such as an unusual location or device. Every block shows its reasons.

How do I know if I actually have a click fraud problem?
In October 2026, more than 1 in 10 of the paid clicks we checked were blocked as invalid. Some accounts are hit far harder: in our October 2026 benchmark, 1 in 10 advertisers saw warning signs on 14% or more of their paid clicks, and the worst-hit account saw 26%. A free trial shows you your own figures in your first week, and you can cancel anytime.

Can fraudsters evolve to bypass ClickGuardian?
Fraudsters constantly evolve. We stay ahead through continuous learning from our network of 2,000+ customers and regular updates to detection algorithms. When a new fraud method emerges, our network identifies and protects against it within hours.

Does blocking fraudulent traffic affect my Google Ads Quality Score?
No. By identifying and excluding fraudulent sources from your campaigns, your traffic quality improves over time. Fewer invalid clicks means Google sees higher-quality engagement, which can actually improve your CPC and ad performance.

What is the difference between click fraud software and a click fraud protection service?
In practice buyers use the terms interchangeably, but there is a useful distinction: software gives you detection data, a click fraud protection service acts on it. The question to ask any vendor is whether blocking happens automatically or whether you are expected to read reports and apply exclusions yourself. ClickGuardian runs the full loop on Google Ads (score, block, rotate, report) and includes support on every plan, so it works like a service while being priced like software.

Which click fraud solutions do I actually need?
Match the solution to where your spend goes. If your budget sits in Google Search, Performance Max, and Microsoft Advertising, you need real-time click scoring with automatic exclusions on Google Ads and ready-to-apply exclusion lists on Microsoft Ads, which is what this page describes. If you buy Display or programmatic inventory at scale, you need impression-level verification from a specialist like DoubleVerify or IAS. The wider taxonomy is covered in the ad fraud protection guide.

Can I stop click fraud without paying for a tool?
Partially. Google and Microsoft filter the obvious invalid clicks natively, and you can monitor reports and exclude IPs manually for free. The click fraud prevention guide includes a two-week playbook for exactly that. The limits are structural: exclusion lists cap at 500 addresses, rotating proxies outpace manual updates, and the monitoring time is a real cost. Free methods reduce fraud; they do not keep up with it.
● Trusted by 2,000+ businessesProcessing over 11.5 million traffic events a month

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