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New ransomware of choice, same critical targets North Korea’s Lazarus Group appears to have added another tool to its kit. It has begun using Medusa ransomware in extortion attacks targeting at least one US healthcare organization and an unnamed victim in the Middle East, according to Symantec and Carbon Black threat hunters.…
Trend Micro has observed the Bert ransomware group in operation since April 2025, with confirmed victims in sectors including healthcare, technology and event services
Symantec found that Medusa has listed almost 400 victims on its data leaks site since early 2023, demanding ransom payments as high as $15m
'Wirte' Threat Actor Used Wiper That Checks if Victim Is Located in IsraelHackers likely connected to Palestinian militants Hamas were behind wiper attacks detected in October against Israeli organizations including hospitals and municipalities. Israeli cybersecurity firm Check Point on Tuesday attributed the attacks to a group tracked as Wirte.
Trend Micro research reveals supply chains are key source of risk.
A new ransomware strain written in Golang dubbed "Agenda" has been spotted in the wild, targeting healthcare and education entities in Indonesia, Saudi Arabia, South Africa, and Thailand