Singapore has launched its largest-ever coordinated cyber defense operation following a highly targeted cyberattack on telecommunications that affected all four of the country’s major telecommunications operators.  

The cyberattack in Singapore was attributed to the advanced threat actor UNC3886, according to Minister for Digital Development and Information and Minister-in-charge of Cybersecurity and Smart Nation Group, Josephine Teo. She disclosed the details on Feb. 9 while speaking at an engagement event for cyber defenders involved in the national response effort, codenamed Operation Cyber Guardian. 

Teo confirmed that the UNC3886 cyberattack in Singapore targeted M1, Singtel, Star...