100m T-Mobile Customer Records Purportedly Up for Sale

A threat actor is selling what they claim to be 30 million T-Mobile customers’ Social Security and driver license numbers on an underground web forum. The collection is a subset of the purported 100 million records contained in stolen databases. The seller told Motherboard – which first reported...

China-Linked Hackers Spy on Texts With MessageTap Malware

Researchers have discovered a new malware used for cyber-espionage efforts by China-linked threat group APT41. The malware intercepts telecom SMS server traffic and sniffs out certain phone numbers and SMS messages – particularly those with keywords relating to Chinese political dissidents. The...

MESSAGETAP: Who’s Reading Your Text Messages?

FireEye Mandiant recently discovered a new malware family used by APT41 a Chinese APT group that is designed to monitor and save SMS traffic from specific phone numbers, IMSI numbers and keywords for subsequent theft. Named MESSAGETAP, the tool was deployed by APT41 in a telecommunications networ...