Infostealers Turn Millions of Devices Into Credential Theft Machines

The report describes a 2025–2026 shift from exploit-driven intrusions to credential-based access enabled by pervasive infostealer malware, outlines major stealer families and delivery methods, highlights the underground markets trading harvested credentials (which fuel ransomware, BEC, and supply-chain attacks), explains risks including session-token theft and developer credential compromise, and provides detection, response, and architectural hardening recommendations.