In light of heightened security measures at the U.S. border, Canada has updated its travel advisory, warning citizens and residents about the authority of U.S. border agents to search electronic devices, including phones. Travelers are urged to expect increased scrutiny, particularly for non-U.S. citizens, including those on work visas and green cards, who may face additional challenges. Immigration experts advise taking precautions such as using burner phones and ensuring important data is secured. The advisory also notes that Canadians could be detained if denied entry. Legal advisors recommend travelers understand their rights and prepare essential documents before crossing the border. Furthermore, various countries have begun issuing similar warnings, emphasizing the risks associated with traveling to the U.S.