This bill, titled the "Extending Expired Cybersecurity Authorities Act," aims to reauthorize and extend the provisions of the Cybersecurity Information Sharing Act of 2015 . It specifically amends the sunset date of the original act, pushing its expiration from September 30, 2025, to September 30, 2035 . The extension of these cybersecurity information sharing authorities is made retroactive , taking effect as if enacted on October 1, 2025. Furthermore, the legislation renames the original act, changing its official title to the " Protecting America from Cyber Threats Act " and includes conforming amendments to reflect this new designation.