Hackers stole six months' worth of call and text message records of nearly every AT&T cellular network customer, the company said Friday, a breach that has the potential to reveal sensitive information about millions of Americans. The company said in an SEC filing that it learned from an internal investigation that in April, hackers "unlawfully accessed and copied AT&T call logs" that were saved on a third-party cloud platform.The data contains records of calls and texts between approximately Ma...