
Ad fraud on Google can be a real headache for advertisers. According to Google's own estimates, ad fraud costs advertisers around $12 billion annually.
Google's systems flag suspicious activity, such as fake clicks and impressions, to help prevent ad fraud. This includes detecting devices that are known to be used for fraudulent activity.
To protect your campaigns, Google offers a range of tools and features. One such tool is the Google Ads Traffic Estimator, which helps you estimate the number of people who will see your ad.
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Consequences of Ad Fraud
Ad fraud can have devastating consequences for businesses. It leads to wasted ad spend, which can add up quickly.
For instance, if a brand has a daily PPC budget of $1000 with a cost-per-click (CPC) of $2, and 20% of clicks are by people with no good intentions, they can lose $160 in a day. This may not seem like much, but it amounts to $4960 wasted in a month.
Not all clicks will convert, so the actual loss is even higher.
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Victimology
Online reports from people who saw the fake Google Ads are a good indicator of the scope of the problem. These reports can be found on the Google Ads Help forum, Reddit, and other online platforms.
Some victims have shared their experiences on Reddit, describing how they fell for the scam. They include stories of accidentally clicking on phishing links and losing money as a result.
The modus operandi of the criminals behind this scam is clear. Victims enter their Google account information into a phishing page, which collects their unique identifier, cookies, and credentials.
A phishing kit is used to collect this information, and victims may receive an email indicating a login from an unusual location, such as Brazil. If the victim fails to stop this attempt, a new administrator is added to the Google Ads account via a different Gmail address.
Once the threat actor gains access, they go on a spending spree, locking out the victim if they can.
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Wasted Spend
A daily PPC budget of $1000 with a cost-per-click (CPC) of $2 can result in a significant loss due to click fraud. This is because a small percentage of clicks can quickly add up, as seen in the example where 20% of 400 clicks per day amounts to $160 in wasted spend.
Click fraud can lead to wasted spend, and it's not just a small amount. In this example, the wasted spend amounts to $4960 in a month, which is a substantial loss for any business.
To put this into perspective, not all clicks will convert, so the actual loss can be even higher. This highlights the importance of monitoring and analyzing traffic data to stay on top of click fraud.
Here's an example of how wasted spend can add up:
As you can see, even a small increase in wasted spend can result in a significant loss over time. This is why it's essential to take action against click fraud to protect your campaigns and avoid wasted spend.
Protecting Your Campaigns
Google's built-in filters aren't equipped to catch sophisticated tactics like rotating IPs, device spoofing, or behavior masking. They're designed to detect general invalid traffic, but that's not enough to safeguard your campaigns.
To prevent click fraud, consider investing in a detection solution like Edgemesh's Ad Fraud Analysis and Protection System. This tool detects bots that drive automated traffic and also identifies 'bad' people by observing suspicious IP addresses.
Here are some steps to mitigate the risk of fraudulent Google ad phishing:
- Register your trademark with Google to report ads abusing your brand.
- Search your brand name or product name on Google to spot fraudulent ads.
- Collect the ad's "clickstring" and report it using Google's ad/listing reporting form.
- Partner with an online brand protection vendor to take ownership of tasks.
By taking these precautions, you can protect your campaigns from click fraud and wasted budget.
Default Protections Fall Short
Google's default protections may not be enough to safeguard your campaigns from sophisticated tactics like rotating IPs, device spoofing, or behavior masking. According to Statista, global ad fraud losses are projected to exceed $172 billion annually by 2028.
Google's built-in filters are designed to detect general invalid traffic, but they're not equipped to catch these more advanced tactics. This means you may end up paying for both sophisticated fraud and non-incremental clicks that add no real value.

The Google Ads platform is a prime target for fraudsters, with an estimated 80% of businesses worldwide using it for their pay-per-click ads. This makes it an ideal place for businesses to get their online advertisements in front of their target audience.
Google's advertising network extends beyond its own search engine to include an array of partner websites and apps, collectively known as the Google Display Network (GDN). This variability in security and fraud detection capabilities among these partner sites adds another layer of risk.
Google's default protections are not comprehensive enough to protect your campaigns, leaving you vulnerable to sophisticated tactics and significant losses.
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5 Ways to Protect Your Campaigns
Protecting your campaigns from click fraud is crucial to avoid wasting your budget and getting inaccurate campaign data. Google Ads fraud is a complex issue that can't be fully addressed by Google's fraud detection alone.
You can leverage innovative technologies and best practices to safeguard your digital assets. A solution like Anura can help identify and stop suspicious activity across multiple platforms, including Google.

To mitigate fake online ads targeting your brand and customers, Google requires you to register your trademark with them. You can do this by visiting https://services.google.com/inquiry/aw_tmauth.
If you spot a fraudulent ad, collect the ad's "clickstring" and report it using Google's ad/listing reporting form at https://support.google.com/ads/troubleshooter/4578507?sjid=14272532859836924271-NA.
Here are 5 ways to protect your campaigns:
- Set up IP exclusions to block suspicious IPs that are driving automated traffic or showing up multiple times without converting.
- Monitor unusual click patterns, such as spikes in clicks without corresponding conversions or odd session durations.
- Track traffic anomalies, such as spikes at odd hours or from regions not targeted by the campaigns.
- Segment traffic by device, location, and behavior to isolate anomalies and identify potential fraud.
- Monitor and analyze traffic data to catch suspicious activities early and block them.
By following these steps, you can significantly reduce the risk of click fraud and ensure that your campaigns are running efficiently and effectively.
Monitor Competition
Monitoring your competitors' sites and ads is crucial to protect your campaigns. This involves keeping an eye out for unethical behavior, such as a competitor only advertising when you've run out of budget and are no longer running ads.
This is a red flag that they may be maliciously clicking your ad to drive you away. They'll then go back to advertising when you're back in the game, repeating the cycle.
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What Is the Difference Between Invalid and Valid?

Invalid clicks are often unintentional, like when a searcher accidentally opens or double-clicks an ad. This can happen to anyone.
Google's algorithm can detect these types of accident clicks and they're not always charged to the advertiser. However, click fraud is a different story.
Click fraud is a deliberate and malicious act, where someone clicks with the aim of generating fake impressions and driving up costs for the advertiser. This type of behavior is not acceptable.
To protect your campaigns, it's essential to understand the difference between invalid and valid clicks. Invalid clicks can be a normal part of online advertising, but click fraud is a serious issue that can harm your campaign's performance and your wallet.
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The Truth About Ad Fraud
Ad fraud is a serious issue that can occur on Google Ads. It's driven by individuals or bots manipulating ad campaigns to generate fake clicks or impressions.
Google Ads click fraud can be perpetrated by competitors trying to deplete a company's advertising budget or by publishers looking to increase their revenue from ads displayed on their sites.
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Impression fraud, also known as ad stacking or pixel stuffing, manipulates the way ads are displayed to count as impressions. This can deplete budgets that pay per the number of impressions on an ad.
Conversion fraud is a more sophisticated form of ad fraud, involving creating fake leads or sales to generate commission.
Here are some common forms of Google Ads click fraud:
- Click fraud
- Impression fraud
- Conversion fraud
Regardless of the type, ad fraud creates false traffic that appears legitimate but will never lead to genuine interest or sales. This means your advertising budget is wasted.
How Scammers Work
Scammers are using compromised Google Ads accounts to fuel other malware and scam campaigns. They're using someone else's budget to spread malfeasance, and Google still earns revenue from those ad campaigns.
Crooks are exploiting Google Ads to spread malvertising attacks, and Google's policy on freezing compromised accounts until security is restored is not being enforced. We've seen cases where advertisers who had already been reported 30 times were still active.
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Scammers are creating ads that impersonate trusted brands, bidding on that brand's name as a keyword, and directing clicks to phishing sites. They're also using a technique called "MasquerAds" to evade detection by presenting different content when a Google Click ID is generated.
To start, scammers publish a website at the domain intended to receive the ad's traffic. If you enter that URL into your browser and visit the site without having clicked on a Google ad, you'll be greeted with benign content.
Here are the two Google ad phishing scenarios we've seen:
- Scammers create an ad impersonating a trusted brand, bids on that brand's name as a keyword, and then directs a click on that ad to a phishing site.
- Scammers put a bit more work into the scheme to evade detection by presenting different content when a Google Click ID is generated.
Scammers are also impersonating Google Ads itself, creating malicious ads that look like they're from Google. They're targeting individuals and businesses who want to advertise on Google Search or already do. We've seen ads specifically for sign-up or sign-in, and some of these hacked accounts already had hundreds of other legitimate ads running.
To get an idea of the geographic scope of these campaigns, we performed the same Google search simultaneously from several different geolocations (using proxies).
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Impact of Ad Fraud
Ad fraud can cause irreparable reputation damage for brands online, as potential customers looking for your brand may engage with a phony sponsored ad and fall victim.
Customer acquisition costs increase as fraudsters bid on keywords relevant to your brand, driving up advertising prices and poisoning search results.
Consumers lose trust in ads and click less frequently, causing a decrease in the return on digital marketing efforts.
Fake ads can lead to a loss of opportunity to engage with prospects who land on a scam website instead of your brand's site.
This type of ad fraud corrupts campaign data, altering the results and making it difficult to make accurate decisions about budgeting, A/B testing, forecasting, and measuring campaign success.
As a result, marketing teams may struggle to make informed decisions, leading to inefficient use of resources and potentially harming the brand's online presence.
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Blocking and Protecting
Pre-emptive fraud prevention limits wasted spend before it happens. Tools like TrafficGuard's Google Ads Protection block invalid clicks as they occur, giving you confidence in every dollar spent.
Investing in a detection solution like Edgemesh's Ad Fraud Analysis and Protection System can prevent click fraud and reduce wasted budget. This tool detects bots that drive automated traffic and also detects 'bad' people by observing and noting IP addresses performing suspicious activities.
Tracking your traffic data can reveal suspicious activities early so you can block them. Google Analytics is a free tool that displays the performance of your website and ads, and it's imperative to set alerts for metrics like bounce and click-through rates (CTR), as a high score can indicate fraud.
TrafficGuard delivers proactive click fraud prevention for Google Ads campaigns. Its multi-layered detection identifies invalid clicks before they impact your budget. You can prevent click fraud in real time with automated blocking, get accurate, clean data to optimise campaigns with confidence, and protect retargeting lists from contamination.
Here are some key features of TrafficGuard:
- Real-time blocking of invalid clicks
- Multi-layered detection with behavioural analysis, IP tracking, and device fingerprinting
- Automated blocking of invalid clicks
- Accurate and clean data for campaign optimisation
- Protection of retargeting lists from contamination
You can also measure your own potential savings with TrafficGuard's Invalid Traffic Calculator, built from data across over 4,500 customers.
Prevention and Mitigation
To prevent and mitigate ad fraud on Google, it's essential to register your trademark with Google. This will allow you to report ads abusing your brand more effectively.
Google requires trademark registration to process complaints, so don't delay in registering your trademark at https://services.google.com/inquiry/aw_tmauth.
Searching your brand name or product name on Google can help you identify potential ad fraud. Take a few minutes to search and see what ads display that are not yours β are they from competitors or scammers or both?
If you spot a fraudulent ad, collect the ad's "clickstring" and report it using Google's ad/listing reporting form at https://support.google.com/ads/troubleshooter/4578507?sjid=14272532859836924271-NA.
Google has separate forms for different types of complaints, so make sure to use the right one.
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Protection Solutions
Protecting your ads from Google fraud requires more than just relying on Google's built-in fraud detection.
Google's advanced platform offers some level of fraud protection, but it's not comprehensive enough to safeguard your campaigns.
To combat Google Ads fraud, advertisers need to leverage innovative technologies and best practices.
A solution like Anura can help identify and stop suspicious activity across multiple platforms, including Google.
Anura can help you discover just how much fraud you have with a free trial.
Edgemesh's Ad Fraud Analysis and Protection System is a detection solution that prevents click fraud and reduces wasted budget.
This tool detects bots that drive automated traffic using its BTAG or bot tagging feature, and excludes them from future targeting.
Edgemesh also detects 'bad' people by observing and noting IP addresses performing suspicious activities.
It then shares the list of fraudulent IP addresses with the customer so they can exclude identified IPs from seeing their ads.
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Responsibility and Accountability
Unethical competitors are a major concern when it comes to ad fraud. They use bots or click farms to artificially inflate ad clicks and waste your budget.
Publishers and affiliates can also engage in ad fraud by inflating the number of clicks or stacking ads to earn more money. This is especially true for Google Adsense or display network ads.
Cybercriminals and regular companies are also to blame for ad fraud. They game the algorithm by increasing clicks and CTR to get a higher ranking on SERPs.
Here's a breakdown of the parties responsible for ad fraud:
- Unethical competitors
- Publishers & affiliates
- Unhappy customers & staff
- Cybercriminals & regular companies
Why Can't Brands Stop Scammers?
Brands can't stop scammers from impersonating them in ads because Google has a lenient policy when it comes to trademark usage. Google won't restrict or even investigate the use of trademarks as keywords, allowing anyone to bid on a brand name.
According to Google, they may restrict the use of trademarks in ad text in response to trademark owner complaints, but this is not a proactive measure. They also don't investigate or restrict trademarks as keywords.
Google's policy allows scammers to use a brand name in the subdomain, second-level domain, or post-domain path of the URL displayed in their ad. They might stop a scammer from using a brand name in a subdomain, but only if the brand owner complains and sees the ad in the first place.
This lack of due diligence by Google can lead to a loss of trust in Google ads among consumers. As more people become aware of this issue, they may avoid clicking on Google ads, making them less valuable to brands.
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Here are some key points about Google's trademark policy:
- Google may restrict trademarks from appearing in the subdomains of display URLs.
- Google doesn't investigate or restrict trademarks as keywords.
- Google may restrict trademarks from appearing in the second-level domains or post-domain paths of display URLs.
- Google doesn't investigate or restrict trademarks in the second-level domains or post-domain paths of display URLs.
Who Is Responsible
Unethical competitors can be responsible for click fraud, using bots or click farms to increase your ad cost and waste your budget.
Publishers and affiliates may also be responsible, earning per click and artificially inflating the number of clicks or stacking ads to make more money.
Unhappy customers or staff can retaliate against a brand by attacking their ads.
Cybercriminals and companies may also be responsible, gaming the algorithm by increasing their clicks and CTR to rank higher on SERPs, either to make their business appear legitimate or to encourage real visitors.
Here are some examples of who might be responsible for click fraud:
- Unethical competitors
- Publishers & affiliates
- Unhappy customers & staff
- Cybercriminals or regular companies
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