The US Second Circuit has issued a ruling allowing Customs and Border Protection to conduct warrantless and suspicionless searches of electronic devices at the border, reversing recent judicial efforts to enhance privacy protections for travelers' smartphones and digital data.
- Second Circuit reverses lower courts’ warrant and suspicion requirements for border device searches
- Warrantless device searches at US borders have nearly doubled since early 2023
- Ruling conflicts with Supreme Court precedent recognizing the unique privacy concerns of smartphones
What happened
On September 17, 2026, the US Second Circuit Court of Appeals reversed earlier rulings that had required Customs and Border Protection (CBP) to obtain a warrant or demonstrate reasonable suspicion before searching electronic devices at the border. The appellate court reinstated the longstanding border search exception that permits warrantless and suspicionless searches of phones and other electronic gadgets during US entry. This decision negates recent district court rulings from the Southern and Eastern Districts of New York, which had begun to impose stricter standards to protect digital privacy.
This change comes amid a surge in CBP’s device searches: quarterly searches have increased steadily over the last several years, nearly doubling since early 2023. For example, nearly 20,000 phone searches were conducted between April and June 2026 alone. The court justified its stance by referencing a 1971 precedent emphasizing the unique nature of border crossings, but critics argue that the ruling fails to accommodate the vast quantity and sensitive nature of modern smartphone data.
Why it matters
Smartphones today contain extensive personal data that far surpasses traditional physical belongings in sensitivity and volume. This includes private communications, photos, financial records, and personal documents. The Supreme Court’s 2014 decision in Riley v. California acknowledged this by requiring warrants for phone searches incident to arrest, underscoring the distinct privacy implications of digital devices. The Second Circuit ruling, however, sidesteps this precedent in the border context, which many see as a dangerous erosion of digital privacy rights.
With the border search exception applied without suspicion or warrants, travelers may be subjected to invasive searches of their entire digital lives without any judicial check. This not only affects individual privacy but could also have chilling effects on freedom of expression and digital security, especially for international travelers and those who rely heavily on digital tools to conduct personal and business affairs.
What to watch next
Privacy advocates and legal experts are likely to challenge the Second Circuit’s ruling, potentially escalating the issue to the Supreme Court for clarification on how Fourth Amendment protections apply to digital devices at the border. Legislative efforts may also emerge to codify standards that require at least reasonable suspicion or warrants for electronic device searches at US ports of entry.
Meanwhile, travelers should be aware of increased scrutiny and consider protective measures for their electronic data when crossing US borders. The evolving legal landscape may influence how CBP policies develop and how other circuits might rule on similar cases, impacting broader digital privacy practices in border enforcement.