Barring a last-minute deal, the US federal government would shut down on Wednesday, October 1, and the 2015 Cybersecurity Information Sharing Act would lapse at the same time, threatening what many consider a critical plank of US cybersecurity policy.

The CISA Act of 2015 (not to be confused with the CISA Act of 2018, which established the government agency of the same name; the CISA referred to throughout this story is the Information Sharing law, not the agency) is due to expire 12:01 am ET on October 1, the same moment federal funding lapses absent a continuing resolution.

The continuing resolution that the House passed last week, and which the Senate quickly rejected, included an extension of CISA and several other bills, mostly related to healthcare, until November 21, by which time

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