Four telecom companies, Singtel, StarHub, M1 and Simba Telecom, were targeted by cyberespionage group UNC3886 in attacks last year, Singapore’s Cyber Security Agency said.
The agency said the hackers were able to penetrate and gain access to some parts of the telecom systems, but could not disrupt services and did not access personal data.
“They also managed to exfiltrate a small amount of technical data; this is believed to be primarily network-related data to advance the threat actors’ operational objectives,” the agency said yesterday.
Yesterday’s statement was the first time the government has revealed the type of infrastructure that UNC3886 targeted.
Last July the government said it was responding to cyberattacks from the group targeting high-value strategic assets.
In a joint statement, the four companies said that all telcos face cyberthreats such as Distributed Denial-of-Service, malware, phishing as well as more sophisticated, advanced and persistent threats.
“We adopt defence-in-depth mechanisms to protect our networks and conduct prompt remediation when any issues are detected,” they said. — Reuters
