China-Linked UNC3886 Targets Singapore Telecom Sector in Cyber Espionage Campaign
Feb 09, 2026
Cyber Espionage / Virtualization
The Cyber Security Agency (CSA) of Singapore on Monday revealed that the China-nexus cyber espionage group known as UNC3886 targeted its telecommunications sector. "UNC3886 had launched a deliberate, targeted, and well-planned campaign against Singapore's telecommunications sector," CSA said . "All four of Singapore's major telecommunications operators ('telcos') – M1, SIMBA Telecom, Singtel, and StarHub – have been the target of attacks." The development comes more than six months after Singapore's Coordinating Minister for National Security, K. Shanmugam, accused UNC3886 of striking high-value strategic threat targets. UNC3886 is assessed to be active since at least 2022, targeting edge devices and virtualization technologies to obtain initial access. In July 2025, Sygnia disclosed details of a long-term cyber espionage campaign attributed to a threat cluster it tracks as Fire Ant and which shares tooling and targeting overlaps with UNC...
