Telecommunications Security
Cybersecurity threats and defenses specific to the telecommunications sector.
-

China-linked UAT-9244 used TernDoor, PeerTime, and BruteEntry in South American telecom attacks
Cisco Talos says China-linked threat actor UAT-9244 has targeted telecommunications providers in South America since 2024, using the TernDoor, PeerTime, and BruteEntry implants across Windows, Linux, and edge devices in a campaign it says is closely associated with FamousSparrow.
-

Ribbon Communications Discloses Year-Long Nation-State Infiltration
American telecommunications firm Ribbon Communications has disclosed a year-long infiltration by nation-state hackers, highlighting persistent threats to critical infrastructure providers.
-

Nation-State Actor Implicated in Year-Long Ribbon Communications Breach
An American telecommunications company, Ribbon Communications, experienced a year-long security breach attributed to a nation-state actor, highlighting significant supply chain risks within the telecom sector.