Lawmakers press agencies, telecoms for more details on Salt Typhoon hacks

Reports indicate a suspected China-linked hacking campaign named "Salt Typhoon" penetrated networks at Verizon, AT&T, and Lumen, possibly gaining months-long undetected access to infrastructure used for lawful wiretaps; the disclosures prompted congressional and regulator inquiries and a Senate letter urging CALEA rule changes and investigations into telecom cybersecurity practices.