After Denial, AT&T Confirms Data Breach Affecting 73 Million Users

AT&T confirmed a massive data breach affecting about 73.48 million current and former customers after records containing SSNs, passcodes and other personal data were published on BreachForums; the leak has been linked by researchers to a previously observed incident and to threat actors such as ShinyHunters, prompting passcode resets and offers of identity monitoring while raising questions about disclosure and investigation.