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

video-embedOver the last decade, the MITRE Corporation has grown its ATT&CK framework, which is a knowledge base of adversary behaviors that can help defenders in a variety of ways. MITRE has traditionally been focused on Advanced Persistent Threat (APT) groups but has been increasingly incorporating techniques and sub-techniques into ATT&CK that are used by cybercriminal groups. In this Studio 471, Patrick Howell O’Neill, who is a Lead Cyber Operations Analyst at MITRE, discusses these changes and why ATT&CK is useful to security professionals.
Participants:
Patrick Howell O’Neill, Lead Cyber Operations Analyst, MITRE Corporation
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.
Stay informed with our weekly executive update, sending you the latest news and timely data on the threats, risks, and regulations affecting your organization.