Exposing Fox Tempest: A malware-signing service operation

A set of Microsoft Security Blog posts describing multiple high-risk threats and defensive advances. Key findings: (1) Fox Tempest operates a malware‑signing‑as‑a‑service (MSaaS) that enables other criminal groups (including Vanilla Tempest and Storm affiliates) to distribute signed malware and ransomware more effectively; (2) Storm‑2949 demonstrated how stolen credentials and identity compromise can escalate to cloud‑wide breaches and large‑scale data theft without deploying malware; (3) exploitable misconfigurations in cloud‑native AI apps and Kubernetes (exposed UIs, weak authentication,危险y