Citigroup is facing a lawsuit over a form of web tracking that many people may never even notice while they browse online.
The proposed California class action claims that third-party pixel tools on the company's website let outside parties collect information about visitors' activity without their consent.
Here's what to know
According to Top Class Actions, plaintiff Franceska Herrera alleges that Citigroup set up tracking pixels on Citi.com in a way that unlawfully intercepted the electronic communications of people visiting the site.
She is now seeking to represent California consumers who accessed and used Citigroup's website from July 22, 2025, to September 5, 2026, alleging they were never told that third parties could (and would) collect the contents of their communications as their browsing occurred.
The lawsuit states that, "During her use of the website, [the] plaintiff navigated to multiple pages on the website, unaware that [the] defendant was causing and permitting third parties to intercept the contents of her communications and reveal her personal searches and content interests."
In addition to the core interception allegations, the complaint asserts unjust enrichment and intrusion upon seclusion and cites the Federal Wiretap Act, the California Constitution, the California Invasion of Privacy Act, and California's Unfair Competition Law, as reported by Top Class Actions.
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More background
Someone visiting a bank's website may think they are simply reading about accounts, loans, or financial tools, not that they are potentially sharing their searches and interests with outside parties for marketing purposes.
Tracking pixels are tiny bits of code commonly used to monitor how people move through websites. Companies often argue they help measure traffic or improve advertising, but critics say they can cross a line when they collect sensitive browsing activity without clear notice and consent.
Herrera alleges Citigroup used those technologies, and as her complaint says, "[Citigroup] intentionally deploys these technologies to accomplish its commercial objectives, including cross-session behavioral profiling, audience measurement, audience segmentation and the monetization of users' browsing activity through targeted advertising," per Top Class Actions.
She is now asking the court for compensation in addition to declaratory and injunctive relief, which means the suit seeks not just damages but also a ruling that could require changes to how tracking tools are used on the site. If the case moves forward, it could put pressure on companies to be more transparent about what website code collects and who has access to that information.
The case is part of a larger stream of privacy litigation involving banks and pixel tracking. Similar class actions involving Wells Fargo and PNC Bank have also raised allegations that online tracking tools intercepted user communications.
Where can I learn more?
The Citigroup lawsuit comes amid wider scrutiny of what companies disclose to the public and what they may be leaving unclear. The stories below look at separate fights over marketing and sustainability claims, where consumers and regulators are also pressing for clearer answers.
• Apple is facing a lawsuit over purportedly misleading carbon-neutral claims tied to product marketing.
• In Europe and the United States, regulators are weighing what may be done soon to curb greenwashing.
• Consumer advocates say companies can fool consumers with environmental branding that appears trustworthy at first glance.
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