Singapore blames Chinese-backed hacking group UNC3886 for a months-long cyber-espionage campaign that targeted its four largest telecommunication companies (Zack Whittaker/TechCrunch)

Singapore's government blames UNC3886, a Chinese-backed hacking group, for a cyber-espionage campaign targeting its four largest telecommunication companies. The attack lasted months, compromising the companies' systems. UNC3886 is a known cyber-espionage group.