Articles by Jordan Robertson and Michael Riley

Russian hackers attacked JPMorgan Chase & Co. and at least four other banks this month in a coordinated assault that resulted in the loss of gigabytes of customer data, according to two people familiar with the investigation. At least one …

Chinese hackers stole social security numbers, names and addresses from 4.5 million patients of Community Health Systems Inc., the second-biggest for-profit U.S. hospital chain, according to the company. The attacks occurred in April and June, the Franklin, Tennessee-based company said …