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Strengthening Cyber Defense: The Role of the Cybersecurity Information Sharing Act

Enhancing National Security Through Improved Cyber Threat Intelligence


The Cybersecurity Information Sharing Act (CISA) of 2015, a critical component of national cybersecurity strategy, was established to promote the sharing of cyber threat information between the government and private entities. Its primary goal is to improve cybersecurity across the nation by enabling real-time sharing of cyber threat indicators (CTIs) and defensive measures. Despite its implementation, several challenges and barriers persist, impacting the effectiveness of information sharing.



A major focus of CISA is on improving collaboration between private sector firms and public entities. The Intelligence and National Security Alliance (INSA) recently published a paper emphasizing the need for timely, relevant, and detailed threat information to enhance cyberattack mitigation and resilience of commercial networks. The paper recommends improving internal collaboration, understanding partner priorities, leveraging information sharing entities, and ensuring data protection through secure sharing mechanisms.

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However, a report by the Office of the Inspector General reveals that while CISA has facilitated adequate information sharing, significant barriers remain. For instance, federal entities often hesitate to distribute CTIs beyond their specific sector or the federal government due to concerns about jeopardizing operations or classification issues. The Department of Homeland Security’s Automated Indicator Sharing (AIS) program, developed under CISA, faces challenges such as providing an all-inclusive feed that lacks context and timing information, making it difficult for recipients to determine relevancy.



In response to these challenges, CISA is undertaking strategic efforts to modernize its approach to cyber threat information sharing. This includes simplifying processes across the federal government and consolidating threat intelligence offerings for public and private sector stakeholders. These efforts aim to maximize the value of the Automated Indicator Sharing program and improve the quality and relevance of shared information.



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Moreover, the Cybersecurity and Infrastructure Security Agency (CISA) has begun a strategic effort to modernize enterprise cyber threat information sharing. This initiative will focus on simplification, integrating customer-facing cyber threat intelligence offerings into a unified platform called Threat Intelligence Enterprise Services (TIES). TIES aims to provide streamlined, relevant, and tailored cyber threat information to various stakeholders.

Would you like to know more? Here are some links to this story about what others are saying:

  1. INSA’s Paper on Cyber Information Sharing
  2. CISA’s Modernization Efforts
  3. Challenges in Cyber Information Sharing

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