SK Telecom — 25 Million Subscribers Exposed in South Korea's Worst Telecom Breach
A sophisticated malware attack on South Korea's largest mobile carrier compromised USIM authentication data for nearly the entire subscriber base, forcing mass SIM replacements and costing over $120 million.
Aisuru Botnet Hits 31.4 Tbps in Record-Setting DDoS Attack on Telecom Providers
The Aisuru/Kimwolf botnet launched the largest recorded DDoS attack at 31.4 Tbps, powered by 2 million compromised Android TV boxes infected via exposed ADB ports through residential proxy networks.
Salt Typhoon: Inside the Worst Telecom Hack in US History
Chinese state-sponsored hackers compromised nine major US telecommunications carriers throughout 2024, accessing wiretap systems, call metadata for over a million users, and communications of presidential campaign staff.
Brightspeed Investigating Breach Claims After Crimson Collective Posts Customer Data
Extortion group Crimson Collective claims to have stolen data on over 1 million Brightspeed customers, including PII, billing details, and payment information. A class-action lawsuit has been filed.
Salt Typhoon — Chinese State-Sponsored Espionage Infiltrates US Telecommunications
The Salt Typhoon campaign by Chinese state-sponsored actors compromised major US telecom providers including AT&T, Verizon, and T-Mobile, accessing lawful intercept systems and call metadata in what officials called the worst telecom hack in US history.
AT&T — Call and Text Records of Nearly All Wireless Customers Stolen
AT&T disclosed that hackers stole call and text metadata for nearly all of its wireless customers — approximately 110 million people — from a Snowflake cloud environment.