Chinese State-Sponsored RedJuliett Intensifies Taiwanese Cyber Espionage via Network Perimeter Exploitation

**Insikt Group: RedJuliett cyber-espionage against Taiwan** — From Nov 2023 to Apr 2024 Insikt Group attributes a sustained cyber-espionage campaign to RedJuliett, a likely China-aligned APT operating from Fuzhou, that leveraged internet-facing device RCEs, SQL injection, directory traversal, SoftEther VPN infrastructure, and web shells to compromise or attempt reconnaissance of Taiwanese government, academic, technology, and diplomatic entities and additional targets across Asia and Africa; the report details exploited techniques, infrastructure patterns, affected sectors (24 confirmed compromises and 70+ attempted targets), and provides mitigation recommendations including network segmentation, prioritized patching, and enhanced monitoring.