Singapore & Its 4 Major Telcos Fend Off Chinese Hackers

Singapore's Cyber Security Agency and major telcos executed Operation Cyber Guardian to evict China-linked APT UNC3886 after an 11-month compromise of four national carriers; the attacker used a zero-day firewall bypass and rootkits to persist, but authorities report no confirmed service disruption or personal data exfiltration and credit successful containment through unprecedented public–private coordination.