
CrazyHunter Ransomware
CrazyHunter is a ransomware campaign targeting healthcare that weakens endpoint defenses and escalates privileges before encrypting systems at scale.

video-embedSharing threat intelligence is crucial for helping organizations defend against current threats. But there’s always been reluctance about sharing indicators, ranging from worries about trust to revealing too much information about threats targeting an organization. Sydney Jones is Head of Threat Intelligence at CLS Group, which runs foreign exchange settlement infrastructure used by large financial institutions. In this Studio 471, she discusses how she has set up several productive programs to share threat intelligence with Information Sharing and Analysis Centers (ISACs), helping the community reduce risk.
Participants:
Sydney Jones, Head of Threat Intelligence, CLS Group
Jeremy Kirk, Executive Editor, Cyber Threat Intelligence, Intel 471

CrazyHunter is a ransomware campaign targeting healthcare that weakens endpoint defenses and escalates privileges before encrypting systems at scale.

DevMan Ransomware is a newly emerging ransomware operation observed in 2025 that has been assessed as a derivative of the DragonForce ransomware family.

Gootloader resurfaced with enhanced capabilities, building on the multi-stage loader malware first seen in 2020.
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