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.

CNN's Christine Romans says that we shouldn't rely on companies to safeguard personal information and offers some tips to make sure your data is safe.

#PersonalData #CapitalOne #CNNBusiness

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