Ransomware-Linked ViperTunnel Malware Hits UK and US Businesses

ViperTunnel is a Python-based backdoor linked to DragonForce ransomware that targets businesses using Windows servers across the US and the UK...

Protecting customers from Octo Tempest attacks across multiple industries

In recent weeks, Microsoft has observed Octo Tempest, also known as Scattered Spider, impacting the airlines sector, following previous activity impacting retail, food services, hospitality organizations, and insurance between April and July 2025. This aligns with Octo Tempest’s typical patterns ...

DragonForce Exploits SimpleHelp Flaws to Deploy Ransomware Across Customer Endpoints

The threat actors behind the DragonForce ransomware gained access to an unnamed Managed Service Provider's MSP SimpleHelp remote monitoring and management RMM tool, and then leveraged it to exfiltrate data and drop the locker on multiple endpoints. It's believed that the attackers exploited a tri...