
BizTech Law Blog
The Cybersecurity Information Sharing Act of 2015 (“CISA”) expired yesterday on September 30, 2025.
Though Congress discussed renewing the statute prior to its expiration, CISA was not officially reauthorized by the federal government.
CISA was designed to encourage private organizations to share cybersecurity information with other private sector entities and the federal government through the Department of Homeland Security, aiming to strengthen overall monitoring capabilities and bolster collective defense against cyber threats. In particular, the statute ...