Wall Street Journal:

How the Salt Typhoon hackers breached US telecommunication infrastructure to carry out targeted espionage against the US for at least eight months  —  Hackers for months scooped up call logs, unencrypted texts and some audio in breach, piercing America's communications infrastructure without detection

Wall Street Journal:

How the Salt Typhoon hackers breached US telecommunication infrastructure to carry out targeted espionage against the US for at least eight months  —  Hackers for months scooped up call logs, unencrypted texts and some audio in breach, piercing America's communications infrastructure without detection

Source: TechMeme
Source Link: http://www.techmeme.com/241105/p24#a241105p24