The Cybersecurity Information Sharing Act of 2015 (CISA 2015) has been temporarily reauthorized as part of the broader legislation passed on November 12, 2025, to reopen the federal government. Under the appropriation legislation, CISA 2015 is now reauthorized until January
The Cybersecurity Information Sharing Act of 2015 (CISA 2015) expired on September 30, 2025, after Congress missed the reauthorization deadline. That lapse removes the decade-old legal framework that encouraged and protected cyber threat information sharing among companies, Information Sharing and
On March 27, 2024, the Cybersecurity and Infrastructure Security Agency (“CISA”) published a Notice of Proposed Rulemaking for the Cyber Incident Reporting for Critical Infrastructure Act of 2022 (“CIRCIA”), which imposes new reporting requirements for entities operating in critical infrastructure
On October 27, 2022, the Cybersecurity & Infrastructure Security Agency (“CISA”), in partnership with the National Institute of Standards and Technology (“NIST”) and the interagency community, published the first iteration of its cross-sector Cybersecurity Performance Goals (“CPGs”). Drafted in response
On June 15, 2016, the U.S. Department of Homeland Security (“DHS”) and Department of Justice issued Final Procedures Related to the Receipt of Cyber Threat Indicators and Defensive Measures by the Federal Government (“Final Procedures”) that provide information on how DHS will implement the Cybersecurity Information Sharing Act of 2015 (“CISA”). The Final Procedures were accompanied by Guidance to Assist Non-Federal Entities to Share Cyber Threat Indicators and Defensive Measures with Federal Entities Under the Cybersecurity Information Sharing Act of 2015 (“Guidance”). These documents represent finalized versions of interim guidance and procedures which, as we have previously reported, were issued in February.
Earlier this month, the U.S. Department of Homeland Security (DHS) and Department of Justice (DOJ) issued joint interim guidance on private entities’ sharing of cyber threat indicators and defensive measures with the government and other private entities. As we have written, Congress required the agencies to develop and publish this guidance through the Cybersecurity Information Sharing Act (CISA). The guidance provides helpful examples of information that may or may not be shared, along with details about the information sharing mechanism. Concurrently, DHS and DOJ published interim procedures for the receipt of cyber threat indicators and defensive measures, and privacy and civil liberties guidelines.
Below are the key takeaways from the guidance.
On December 18, 2015, President Barack Obama signed into law the Cybersecurity Information Sharing Act of 2015 (CISA) as part of the 2016 omnibus spending bill. CISA encourages businesses and the federal government to share cyber threat information in the interest of national security.
On October 27, 2015, the Cybersecurity Information Sharing Act of 2015 (CISA), passed the Senate, by a 74-21 vote. The bill’s passing by such an overwhelming majority is a crucial step towards the controversial CISA becoming law, with support from some security experts and to the chagrin of other privacy advocates.
The relatively short turnaround of the Cybersecurity Information Sharing Act (CISA or the “Act”) has proved challenging, as a vote initially intended for this week will have to wait until the Senate’s September session, at the earliest.