The IDE Is the New Domain Admin: How Developer Environments Became Ground Zero

This report describes three 2026 incidents that illustrate a broader shift: attackers are targeting developer environments and toolchains rather than traditional endpoints. Examples include a poisoned VS Code workspace used in fake job interviews to deploy a backdoor, a compromised npm package (Cline) that silently installed an AI agent with full-disk access, and a manipulated Open VSX extension that delivered a RAT and enabled large cryptocurrency theft; the document warns that developer machines now hold production credentials and recommends EDR/EPDR, application allowlisting, behavioral detection, anti-exploit protections, managed hunting, and Zero Trust to mitigate these high-risk supply-chain and workflow attacks.