SideWinder Adopts New ClickOnce-Based Attack Chain Targeting South Asian Diplomats

A European embassy located in the Indian capital of New Delhi, as well as multiple organizations in Sri Lanka, Pakistan, and Bangladesh, have emerged as the target of a new campaign orchestrated by a threat actor known as SideWinder in September 2025. The activity "reveals a notable evolution in...

SideWinder's Shifting Sands: Click Once for Espionage

SideWinder's Shifting Sands: Click Once for Espionage By Ernesto Fernández Provecho and Pham Duy Phuc · October 22, 2025 In September 2025, the Trellix Advanced Research Center ARC detected a campaign targeting a European embassy located in New Delhi, India. Further investigation led to the...