China-Backed Hackers Leverage SIGTRAN, GSM Protocols to Infiltrate Telecom Networks

A new China-linked cyber espionage group has been attributed as behind a series of targeted cyber attacks targeting telecommunications entities in South Asia and Africa since at least 2020 with the goal of enabling intelligence collection. Cybersecurity company CrowdStrike is tracking the adversa...

ToRPEDO Privacy Attack on 4G/5G Networks Affects All U.S. Carriers

Privacy-breaking flaws in the 4G and 5G mobile protocols could allow attackers to intercept calls, send fake amber alerts or other notifications, track location and more, according to a research team from Purdue University and the University of Iowa. In a paper presented at Mobile World Congress ...