U.S. phone giant T-Mobile said Wednesday that hackers had “no access” to its customers’ calls, text messages, and voicemails during an ongoing industry-wide cyberattack targeting internet and phone companies.T-Mobile’s chief security officer, Jeff Simon, said in a statement that the company detected in recent weeks “attempts to infiltrate our systems,” which Simon said originated from another telecoms company connected to T-Mobile’s network. That company wasn’t named.  “We quickly severed connectivity to t ...