From Inbox to Encryption: How Ransomware Delivery Has Evolved

This KnowBe4 Threat Labs report describes how ransomware delivery evolved in 2025–2026 from single-stage phishing with embedded payloads to multi-hop, multi-actor chains: benign-looking emails lead victims through trusted cloud redirects and seasoned domains to memory-only droppers and RMM-based persistence, with attackers buying access from brokers and using techniques like ClickFix (PowerShell + DNS TXT execution) to bypass email gateways, sandboxes, endpoint file scanners, and network logging.