Capital One Financial shares fell Tuesday, a day after the disclosure of a data breach that impacted about 100 million individuals in the U.S.
The company said Monday night it discovered the breach on July 19, and that the Social Security numbers of about 140,000 credit card customers were compromised along with 80,000 bank account numbers. The breach also exposed names, addresses, phone numbers and credit scores, among other data.
“Based on our analysis to date, this event affected approximately 100 million individuals in the United States, ” Capital One said, but noted that credit card numbers and log-in credentials were not impacted. Overall, the breach could cost Capital One between $100 million and $150 million in 2019, the bank said.