Frequency
1
occurrences
First Seen
November 20, 2025
Last Seen
November 20, 2025
Related Threat Clusters
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Halcyon Joins CISA's Joint Cyber Defense Collaborative
On November 20, 2025, Halcyon announced its membership in CISA's Joint Cyber Defense Collaborative (JCDC). This collaboration aims to enhance national ransomware resilience and improve defenses for critical…
5 articles · Updated November 20, 2025 -
Halcyon Joins CISA's Cyber Defense Collaborative Against Ransomware
On November 20, 2025, Halcyon announced its membership in the Cybersecurity and Infrastructure Security Agency's (CISA) Joint Cyber Defense Collaborative (JCDC). This collaboration aims to enhance collective defenses…
5 articles · Updated November 21, 2025
Recent Intelligence Reports
- Halcyon Joins CISA's Joint Cyber Defense Collaborative to Advance National Ransomware ... — Halcyon.Ai · November 20, 2025