It's the 'largest known Apple account theft caused by malware,' according to Palo Alto Networks researchers.
The leaked data includes 36 million customer records, listing names, addresses, user names, passwords and the last four digits of credit card numbers.
The Obama administration and some in the private sector believe sharing threat information can help thwart cyberattacks. But not everyone is convinced.
The group is alleged to have earned over $100 million by stealing and trading on corporate earnings announcements before they were made public.
The same hackers who hit Anthem, United Airlines and the Office of Personnel Management may have added American and Sabre to the list.
Massive amounts of data were stolen in a short period of time, according to news reports.
Malicious ads were found to be redirecting victims to the Angler Exploit Kit, according to Malwarebytes researchers.
Steve Grobman, Intel Fellow and CTO of Intel Security, discusses upcoming innovation in silicon that could have a huge impact on software security.
The data potentially exposed includes names, birthdates, Social Security numbers, lab results, medical conditions and health insurance information.
The stolen data includes flight manifests, which identify flights' passengers, origins and destinations.