From gbhackers.com
Infamous Chinese APT 10 hackers compromised over 10 Telecom networks around the world under the campaign called Operation Soft Cell and stealing various sensitive data including call records, PII, and attempting to steal all data stored in the active directory.
APT 10 Threat actors known as one of the sophisticated hacking group in the world and the group mostly targeting commercial activities including aviation, satellite, and maritime technology, industrial factory automation, finance, telecommunications and consumer electronics, computer processor technology, information technology services.