On December 11, 2025, the U.S. Cybersecurity and Infrastructure Security Agency (“CISA”) released its Cybersecurity Performance Goals 2.0 (“CPG 2.0”), an update to its core set of recommended cybersecurity practices for critical infrastructure owners and operators, which we previously wrote about here. Established by the 2021 National Security Memorandum
Continue Reading CISA Releases Cybersecurity Performance Goals 2.0 for Critical InfrastructureCISA
Cybersecurity Information Sharing Act of 2015 Reauthorized Through January 2026
The Cybersecurity Information Sharing Act of 2015 (“CISA 2015”), which provides protections for sharing cybersecurity threat information with the federal government and others, was reauthorized under the funding bill to reopen the federal government, which was enacted on November 12, 2025. The information sharing mechanisms and protections under CISA 2015, which had previously sunset on September 30, 2025, will now extend through January 30, 2026.Continue Reading Cybersecurity Information Sharing Act of 2015 Reauthorized Through January 2026
Cybersecurity Information Sharing Act of 2015 Allowed to Sunset
The Cybersecurity Information Sharing Act of 2015 (“CISA 2015”), which provided protections for sharing cybersecurity threat information with the federal government and others, officially sunset on September 30, 2025 pursuant to the law’s original sunset date after efforts to re-authorize it did not succeed. The law created a cybersecurity information…
Continue Reading Cybersecurity Information Sharing Act of 2015 Allowed to SunsetU.S. Government Issues Cybersecurity Warning to Critical Infrastructure Operators and Others
On June 30, 2025, the Cybersecurity and Infrastructure Agency (CISA), the Federal Bureau of Investigation (FBI), the Department of Defense Cyber Crime Center (DC3), and the National Security Agency (NSA) warned U.S. critical infrastructure organizations and other companies that the threat of cyber attacks from Iran-affiliated cyber actors is heightened…
Continue Reading U.S. Government Issues Cybersecurity Warning to Critical Infrastructure Operators and OthersCISA Releases AI Data Security Guidance
On May 22, 2025, the Cybersecurity and Infrastructure Security Agency (“CISA”), which sits within the Department of Homeland Security (“DHS”) released guidance for AI system operators regarding managing data security risks. The associated press release explains that the guidance provides “best practices for system operators to mitigate cyber risks through the artificial intelligence lifecycle, including consideration on securing the data supply chain and protecting data against unauthorized modification by threat actors.” CISA published the guidance in conjunction with the National Security Agency, the Federal Bureau of Investigation, and cyber agencies from Australia, the United Kingdom, and New Zealand. This guidance is intended for organizations using AI systems in their operations, including Defense Industrial Bases, National Security Systems owners, federal agencies, and Critical Infrastructure owners and operators. This guidance builds on the Joint Guidance on Deploying AI Systems Security released by CISA and several other U.S. and foreign agencies in April 2024.Continue Reading CISA Releases AI Data Security Guidance
CISA and FBI Publish a Secure by Design Alert to Eliminate Cross-Site Scripting Vulnerabilities
On September 17, 2024, the U.S. Cybersecurity and Infrastructure Security Agency (“CISA”) and the Federal Bureau of Investigation (“FBI”) published a Secure by Design Alert, cautioning senior executives and business leaders to be aware of and work to eliminate cross-site scripting (“XSS”) vulnerabilities in their products (the “Alert”). XSS vulnerabilities allow “threat actors to inject malicious scripts into web applications, exploiting them to manipulate, steal, or misuse data across different contexts.” Continue Reading CISA and FBI Publish a Secure by Design Alert to Eliminate Cross-Site Scripting Vulnerabilities
CISA Issues Notice of Proposed Rulemaking for Critical Infrastructure Cybersecurity Incident Reporting
On March 27, 2024, the U.S. Cybersecurity and Infrastructure Security Agency’s (“CISA”) Notice of Proposed Rulemaking (“Proposed Rule”) related to the Cyber Incident Reporting for Critical Infrastructure Act of 2022 (“CIRCIA”) was released on the Federal Register website. The Proposed Rule, which will be formally published in the Federal Register on April 4, 2024, proposes draft regulations to implement the incident reporting requirements for critical infrastructure entities from CIRCIA, which President Biden signed into law in March 2022. CIRCIA established two cyber incident reporting requirements for covered critical infrastructure entities: a 24-hour requirement to report ransomware payments and a 72-hour requirement to report covered cyber incidents to CISA. While the overarching requirements and structure of the reporting process were established under the law, CIRCIA also directed CISA to issue the Proposed Rule within 24 months of the law’s enactment to provide further detail on the scope and implementation of these requirements. Under CIRCIA, the final rule must be published by September 2025.
The Proposed Rule addresses various elements of CIRCIA, which will be covered in a forthcoming Client Alert. This blog post focuses primarily on the proposed definitions of two pivotal terms that were left to further rulemaking under CIRCIA (Covered Entity and Covered Cyber Incident), which illustrate the broad scope of CIRCIA’s reporting requirements, as well as certain proposed exceptions to the reporting requirements. The Proposed Rule will be subject to a review and comment period for 60 days after publication in the Federal Register. Continue Reading CISA Issues Notice of Proposed Rulemaking for Critical Infrastructure Cybersecurity Incident Reporting
CISA Publishes International Guidance on Implementing Security-by-Design and Security-by-Default Principles for Software Manufacturers and Customers
Last week, the U.S. Cybersecurity and Infrastructure Security Agency (“CISA”) released guidance on Security-by-Design and Security-by-Default principles for technology manufacturers that was jointly developed by the Federal Bureau of Investigation and the National Security Agency, as well as cybersecurity authorities in Australia, Canada, United Kingdom, Germany, Netherlands, and New Zealand. While similar principles have been published in the past, such as those released by the U.S. Federal Trade Commission, this guidance builds on the White House’s recent roll-out of the U.S. National Cybersecurity Strategy and is in line with efforts to encourage a consistent, international approach to software security that emphasizes the responsibilities of software manufacturers across various jurisdictions. While the guidance primarily focuses on recommendations for technology manufacturers, it also includes recommendations for enterprise customers to “hold their supplying technology manufacturers accountable for the security outcomes of their products.” CISA and the authoring agencies are seeking feedback on the guidance, and indicated plans to hold future listening sessions to collect feedback. Continue Reading CISA Publishes International Guidance on Implementing Security-by-Design and Security-by-Default Principles for Software Manufacturers and Customers
CISA Releases Revised Cybersecurity Performance Goals for Critical Infrastructure
On March 21, 2023, the United States Cybersecurity and Infrastructure Security Agency (“CISA”) announced the issuance of updated Cybersecurity Performance Goals (“CPGs”). The CPGs, which were originally released in October 2022, are intended to establish a set of fundamental cybersecurity practices to be voluntarily implemented by critical infrastructure owners and operators across all critical infrastructure sectors. The CPGs apply to both information technology (“IT”) and operational technology (“OT”) and are designed to reduce risk related to known, high-impact cyber threats and adversarial tactics, techniques, and procedures (“TTPs”).Continue Reading CISA Releases Revised Cybersecurity Performance Goals for Critical Infrastructure
CISA Requests Public Comment on Implementing Regulations for the Cyber Incident Reporting for Critical Infrastructure Act
On September 12, 2022, the U.S. Cybersecurity and Infrastructure Security Agency (“CISA”) published a Request for Information, seeking public comment on how to structure implementing regulations for reporting requirements under the Cyber Incident Reporting for Critical Infrastructure Act of 2022 (“CIRCIA”). Written comments are requested on or before November 14, 2022 and may be submitted through the Federal eRulemaking Portal: http://www.regulations.gov.Continue Reading CISA Requests Public Comment on Implementing Regulations for the Cyber Incident Reporting for Critical Infrastructure Act