UAT-9244 targets South American telecommunication providers with three new malware implants

Cisco Talos is disclosing UAT-9244, who we assess with high confidence is a China-nexus advanced persistent threat APT actor closely associated with Famous Sparrow. Since 2024, UAT-9244 has targeted critical telecommunications infrastructure, including Windows and Linux-based endpoints and edge...

Salt Typhoon Exploits Flaws in Edge Network Devices to Breach 600 Organizations Worldwide

The China-linked advanced persistent threat APT actor known as Salt Typhoon has continued its attacks targeting networks across the world, including organizations in the telecommunications, government, transportation, lodging, and military infrastructure sectors. "While these actors focus on larg...

New Attack Lets Hackers Decrypt VoLTE Encryption to Spy on Phone Calls

A team of academic researchers—who previously made the headlines earlier this year for uncovering severe security issues in the 4G LTE and 5G networks—today presented a new attack called 'ReVoLTE,' that could let remote attackers break the encryption used by VoLTE voice calls and spy on targeted...