Security researchers of Cybereason Nocturnus have recently detected three malicious cyber-espionage campaigns that are targeting the major telecommunication companies all over SouthEast Asia. Security experts have claimed that the malicious campaign, named as DeadRinger, has nearly targeted 5 major telecom companies in Southeast Asia. The main motive of the threat actors is to gain continuous access to telecommunication providers and by accumulating all the sensitive data to promote cyberespionage. The security experts have also asserted that there are hacking groups that are associated with this attack, and all those groups have used various sophisticated methods, infrastructure, and toolsets.”]
Source: https://gbhackers.com/chinese-hackers-attacking-major-telecom/