SAN FRANCISCO — Bob Foreman’s architecture firm ran up a $166,000 phone bill in a single weekend last March. But neither Mr. Foreman nor anyone else at his seven-person company was in the office at the time. “I thought: ‘This is crazy. It must be a mistake,’ ” Mr. Foreman said.
Before companies like Microsoft and Apple release new software, the code is reviewed and tested to ensure it works as planned and to find any bugs. Hackers and cybercrooks do the same.
JPMorgan Chase & Co has revealed that the personal information of 83 million accounts were exposed when the company’s computer systems were infiltrated this year, making the data breach one of the largest in history.