Cyber Threat Information-Sharing Law Lapses as Shutdown Begins

Oct. 1, 2025, 9:34 AM UTC

US companies no longer have legal protection to share cyber threat information with the federal government, one of many disruptions from lawmakers’ failure to strike a government funding deal.

The Cybersecurity and Information Sharing Act of 2015 expired overnight, along with annual appropriations for federal agencies, sending the US government into a shutdown. The cyber law provided a shield encouraging companies to report breaches and threats without fear of liability. The Department of Homeland Security said it would preserve the cyber information-sharing platform during a lapse of the law.

Lawmakers made multiple efforts to extend the law, which has broad ...

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