AT&T and Verizon say networks secure after Salt Typhoon breach

The latest news on the Salt Typhoon breach and network security responses from AT&T and Verizon involves several key points:

1. Salt Typhoon Breach:

   • China-Linked APT Group: The Salt Typhoon group, linked to China, has been identified as a major cyberespionage threat. It has breached multiple U.S. telecom companies, including a ninth U.S. telecom firm, as part of its campaign245.
   • Telecoms Affected: The group's attacks have targeted various telecommunications companies, providing Beijing with access to sensitive information4.

2. AT&T Network Security Response:

   • Monitoring and Remediation: Despite being targeted by cyberattacks, AT&T has been actively monitoring and remediating its networks to protect customer data. The company has identified only a few cases of compromised information and continues to take measures to secure its systems1.

3. Verizon Network Security Response:

   • No Compromised Data: Verizon has confirmed that it has been targeted by hackers, likely from the Salt Typhoon group, but emphasized that the attack was blocked, and no sensitive data was compromised5.

4. General Telecom Breach Incident Analysis:

   • T-Mobile Involvement: T-Mobile has also been targeted by hackers, likely from the Salt Typhoon group, but reiterated that the attack was blocked, and no unauthorized system access occurred25.
   • Security Measures: The U.S. government has warned about the Salt Typhoon group's activities, urging senior government officials to enhance mobile device security and emphasizing the need for robust cybersecurity measures in the telecom sector3.

In summary, while the Salt Typhoon group has been actively breaching U.S. telecom companies, AT&T and Verizon have taken proactive steps to secure their networks, with AT&T monitoring and remediating its systems and Verizon confirming that no sensitive data was compromised. The broader telecom industry is under heightened scrutiny for cybersecurity threats.