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Cyberattack brings down Vodafone Portugal mobile, voice, and TV services

Catalin Cimpanu February 8, 2022

Cyberattack brings down Vodafone Portugal mobile, voice, and TV services
AT&T takes action against DDoS botnet that hijacked VoIP servers

Catalin Cimpanu November 30, 2021

AT&T takes action against DDoS botnet that hijacked VoIP servers
Verizon-owned wireless carrier Visible confirms account hacks, denies breach
Brief Verizon-owned wireless carrier Visible confirms account hacks, denies breach

Catalin Cimpanu October 13, 2021

FCC to work on rules to prevent SIM swapping attacks

Catalin Cimpanu September 30, 2021

FCC to work on rules to prevent SIM swapping attacks
T-Mobile confirms hack after customer data ends up for sale on cybercrime forum
Brief T-Mobile confirms hack after customer data ends up for sale on cybercrime forum

Catalin Cimpanu August 16, 2021

Five Southeast Asian telcos hacked by three different Chinese espionage groups

Catalin Cimpanu August 3, 2021

Five Southeast Asian telcos hacked by three different Chinese espionage groups
New 5G protocol vulnerabilities allow location tracking

Catalin Cimpanu March 26, 2021

New 5G protocol vulnerabilities allow location tracking