Ad hijacking is a PPC affiliate abuse where the affiliate runs a paid search ad that copies the operator's own brand ad almost exactly — same display URL, similar copy — so that when a user searches the operator's brand and clicks what they think is the official ad, they actually pass through the affiliate's tracking link before landing on the operator's site.
Definition
Ad hijacking is a PPC affiliate abuse where the affiliate runs a paid search ad that copies the operator's own brand ad almost exactly — same display URL, similar copy — so that when a user searches the operator's brand and clicks what they think is the official ad, they actually pass through the affiliate's tracking link before landing on the operator's site. The affiliate collects commission on the operator's own brand-search traffic, and the operator may see its official ad pushed down or its brand-term costs rise as the hijacker bids against it.
It is a recognised form of affiliate fraud: the affiliate adds nothing, intercepts demand the operator generated, and often breaches both the programme's brand-bidding rules and the ad platform's policies on misleading and duplicate ads.
In context
For affiliates, ad hijacking is a prohibited practice and a clear example of affiliate fraud: it copies the operator's brand ad to intercept its own brand-search traffic through affiliate tracking, adds no value, and typically breaches the programme's brand-bidding terms and the search platform's ad policies at once. Commissions from it are clawed back when detected, and it leads to termination and can prompt platform action against the ad account.
Content covering PPC affiliation should present ad hijacking alongside unauthorised brand-term bidding and typosquatting as the interception patterns that programmes prohibit and that operators actively monitor for (brand-ad monitoring tools flag lookalike ads and unexpected redirect chains on brand terms). A compliant PPC affiliate bids only on approved keywords, never on the operator's brand terms without written permission, and never mimics the operator's own advertising.
For an affiliate whose brand is being hijacked in reverse, monitoring brand-term SERPs for copycat ads is part of protecting its own paid search. For affiliate-facing content, the framing is that ad hijacking copies an operator's brand search ad to funnel its own brand traffic through affiliate tracking, that it is affiliate fraud that breaches programme and ad-platform rules, that it adds no value and results in clawbacks and termination, and that it sits with unauthorised brand bidding and typosquatting as a prohibited interception tactic.
Worked example
An operator's brand-ad monitoring detects a paid search ad on its brand term with a near-identical display URL that redirects through an affiliate link before reaching its site. It reports the ad to the search platform, voids the affiliate's commissions as ad hijacking, and terminates the account.
Its programme terms already ban brand-term bidding and ad copying without permission.
Related terms
Frequently asked questions
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