https://www.siliconvalley.com/2019/07/30/worried-about-the-capital-one-hack-heres-what-to-do/ > Millions of Capital One customers have been affected by a data breach that the bank says happened in March when a software engineer allegedly exploited a vulnerability to access its systems. > Approximately 100 million people in the United States and 6 million more in Canada are affected, the company said, with about 140,000 Social Security numbers, 1 million Canadian Social Insurance numbers and 80,000 bank account numbers compromised.