China-Linked UNC3886 Targets Singapore Telecom Sector in Cyber Espionage Campaign
Singapore’s telecom sector faced a barrage of cyber intrusions in 2023, with Mandiant attributing at least 12 confirmed breaches to the China-linked group UNC3886. This espionage campaign, active since mid-2022, exploited vulnerabilities in network appliances, stealing sensitive data from major providers like Singtel and StarHub. Security analysts reported a 45% spike in telecom-targeted attacks across...