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Brand Keyword Bidding
Affiliates bid on your exact brand name and close variations in paid search, displaying ads that look identical to yours. They pocket commissions on conversions that would have happened anyway.
Fraud Type Guide
URL Hijacking: How Third Parties Steal Your Branded Search Traffic
Fraudulent affiliates and competitors bid on your brand keywords, clone your URLs, and inject redirects to siphon traffic you already paid for. Learn how URL hijacking works and how to stop it.
What Is URL Hijacking?
Quick answer: URL hijacking is when a third party intercepts traffic meant for your website by bidding on your branded search terms, creating lookalike domains, or injecting redirect chains that reroute clicks away from your legitimate landing pages. It costs advertisers millions in stolen conversions and inflated CPCs every year.
URL hijacking — also known as brand poaching or ad hijacking — occurs when someone other than the brand owner places paid search ads that mimic the brand’s own listings. The hijacker’s ad appears to point to the brand’s URL, but the click passes through an affiliate tracking link or redirect chain before landing on the real site. The hijacker then claims commission on any resulting conversion.
This tactic is particularly damaging because it targets users who are already searching for your brand. These high-intent visitors would have reached your site organically or through your own paid campaigns. Instead, a fraudulent intermediary captures the click and takes credit for the sale — meaning you pay twice: once for the inflated CPC and again for the unearned affiliate commission.
URL hijacking is not limited to search ads. Affiliates and fraudsters also use browser extensions, toolbar injections, and typosquatting domains to intercept branded traffic across the entire customer journey.
Common URL Hijacking Techniques
Hijackers use a range of methods to intercept your branded traffic without being easily detected.
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Display URL Cloaking
Hijackers set the display URL to match your domain while the actual destination URL routes through their tracking link. The user never realises a middleman is involved.
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Redirect Injection
Malicious browser extensions or toolbar software inject affiliate cookies or redirect clicks through tracking URLs before the user reaches your landing page.
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Typosquatting
Registering domains that are common misspellings of your brand to capture mistyped traffic and redirect it through affiliate links before reaching your real site.
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Ad Copy Impersonation
Copying your exact ad headlines, descriptions, and sitelinks to make the hijacked listing indistinguishable from your own in the search results page.
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Geo-Targeted Hijacking
Running hijacked ads only in regions where your team is unlikely to see them, making manual detection nearly impossible without automated monitoring tools.
How URL Hijacking Damages Your Campaigns
The financial and strategic consequences of URL hijacking extend well beyond the immediate cost of stolen clicks.
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Inflated CPCs
When hijackers bid on your brand terms, they create artificial competition in the auction. Your cost-per-click rises even though the additional bidder adds zero value to the ecosystem.
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Double Paying for Conversions
You pay for the click through your own ad spend and then pay again via affiliate commission for a conversion the hijacker did not genuinely generate.
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Distorted Attribution
Hijacked conversions are attributed to affiliate or paid search channels instead of organic or direct. This corrupts your media mix models and leads to misallocated budgets.
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Brand Reputation Risk
Hijacked ads may contain misleading copy or route users through suspicious redirect chains, undermining trust and potentially violating your ad platform policies.
How to Detect URL Hijacking
Catching hijackers requires proactive monitoring because they actively evade detection by targeting specific geos and dayparts.
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SERP Monitoring
Regularly search your brand terms from multiple locations and devices to spot unauthorised ads. Automated SERP monitoring tools can do this at scale around the clock.
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Redirect Chain Analysis
Examine the full redirect path of incoming clicks to identify intermediary tracking domains that should not be part of the journey from ad click to landing page.
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CPC Anomaly Detection
Monitor your branded keyword CPCs for unexplained spikes. Sudden increases often indicate a new bidder has entered the auction on your brand terms.
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Affiliate Transaction Audits
Cross-reference affiliate-claimed conversions with your own click and session data. Hijacked conversions often show referral paths that don’t match legitimate affiliate activity.
Opticks integrates via a lightweight tag — install through Google Tag Manager in under five minutes with no code changes required.
How Opticks Stops URL Hijacking
Redirect Path Tracking
Opticks maps the complete redirect chain for every click in real time, instantly flagging unauthorised intermediary domains and affiliate cookie injections.
Evidence-Ready Reports
Generate detailed reports showing exactly which affiliates or third parties are hijacking your URLs, with timestamps, geos, and redirect evidence for enforcement actions.
Continuous Monitoring
24/7 automated surveillance across all geos and devices means hijackers cannot hide behind geo-targeting or time-of-day tactics to avoid detection.
Frequently Asked Questions
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