What are the different threat intelligence sharing platforms and initiatives?

There are several different threat intelligence sharing platforms and initiatives available. Some of the prominent ones include:

1. Information Sharing and Analysis Centers (ISACs): These are sector-specific organizations that facilitate the sharing of threat intelligence among companies within a particular industry. Examples include the Financial Services ISAC (FS-ISAC) and the Healthcare ISAC (H-ISAC).

2. Open Threat Exchange (OTX): This is a collaborative platform developed by AlienVault (now part of AT&T Cybersecurity) that allows users to share and access threat intelligence data. It enables the community to contribute and benefit from real-time information on emerging threats.

3. Cyber Threat Intelligence Sharing and Collaboration (CTISC): This initiative aims to enhance threat intelligence sharing and collaboration among organizations in the Asia-Pacific region. It promotes the exchange of actionable intelligence to improve cyber defense capabilities.

4. Cyber Threat Alliance (CTA): This is a nonprofit organization formed by leading cybersecurity companies to share threat intelligence and collaborate on cybersecurity research. Members of CTA work together to analyze and respond to emerging threats.

5. Trusted Automated eXchange of Indicator Information (TAXII): This is a protocol developed by the U.S. Department of Homeland Security (DHS) to enable the exchange of cyber threat information in a structured and automated manner. It allows organizations to share indicators of compromise (IOCs) and other threat intelligence data.

6. MISP (Malware Information Sharing Platform): MISP is an open-source threat intelligence platform that enables organizations to share, store, and collaborate on threat intelligence. It provides a standardized format for sharing indicators of compromise and other relevant information.

These are just a few examples of the various threat intelligence sharing platforms and initiatives available. The choice of platform or initiative depends on the specific needs and requirements of an organization or industry.