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DHS and DOJ Publish Joint Guidelines for Voluntary Sharing Cyber Threat Indicators and Defensive Measures with Federal Government

Client Alert | 1 min read | 06.17.16

On June 15, 2016, the Department of Homeland Security jointly issued with the Department of Justice guidelines and procedures available here for the voluntary sharing and receiving of cyber threat indicators and defensive measures between and among non-federal and federal entities and among private entities for cybersecurity purposes. These guidelines and procedures, which are directed to be published pursuant to the Cybersecurity Information Sharing Act of 2015 (CISA), describe what types of information may be shared, the mechanisms for sharing it (including through the DHS-operated Automated Indicator Sharing platform), and how to safeguard privacy and civil liberties to qualify for the liability and other protections afforded by CISA, which include a limited antitrust exemption; exemption from state and federal disclosure laws; exemption from certain state and federal regulatory uses; no waiver of privilege; protection for commercial, financial and proprietary information; and an ex parte communications waiver.

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Client Alert | 3 min read | 02.13.26

Recent Developments in U.S. Merger Enforcement: HSR Rule Overturned and Leadership Changes at DOJ Antitrust Division

In October 2024, the FTC adopted a final rule that substantially modified the HSR form, requiring new categories of information and documents. The final rule was the most significant overhaul of the HSR premerger notification requirements in decades. The new requirements imposed additional time and expense on merging parties, with the FTC estimating that the new form would likely take triple the amount of time to complete than the previous form. Numerous groups, including the U.S. Chamber of Commerce, sued to challenge the rule....