AT&T Data Hack Prompts FCC Probe, Raises Broad Security Concerns

AT&T Inc. said on Friday that hackers stole a cache of six months worth of mobile-phone customer data, disclosing for the first time a cybersecurity breach that was massive in its scope and potential risks to national security.

AT&T Data Hack Prompts FCC Probe, Raises Broad Security Concerns
AT&T Inc. said on Friday that hackers stole a cache of six months worth of mobile-phone customer data, disclosing for the first time a cybersecurity breach that was massive in its scope and potential risks to national security.