N.D. Cal. draws line between browsing data and CIPA "contents"
Per a Mayer Brown alert, a California federal district court held that web browsing data is not the "contents" of a communication under CIPA, narrowing wiretap exposure for platforms and providers.
What is reported: a California federal district court drew a sharper boundary between metadata-type internet records and the "contents" of communications under the federal Wiretap Act (18 U.S.C. §§ 2510, 2517). Mayer Brown's 6 October 2026 client alert states that the court treated browsing data — the record of what pages a user visited — as falling outside the statutory definition of communication "contents," implying that CIPA-style consent orders compelling disclosure of such records are correspondingly narrower than some prosecutors and plaintiffs have assumed.
Why sophisticated counsel should care: the CIPA contents definition is the trigger for statutory-damages exposure (up to $5,000 per violation or $1,000 per day of infracted communication) and for criminal wiretap exposure in investigations. Platforms, search providers, and carriers routinely litigate whether a data category requires a warrant, a subpoena, or a CIPA order. A district-court line at the contents/metadata boundary can shift discovery, retention, and disclosure posture in parallel civil and criminal matters, even though the decision binds no one outside the district and its posture is unclear from the alert alone.
What to watch: the opinion text and posture, any interlocutory appeal or transfer to the Ninth Circuit, and adoption of the same reasoning by CIPA-issuing courts in New York and Illinois, where parallel internet-records statutes drive most of the exposure.