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Capital One Data Breach Exposes Information of Over 100 Million People

Wednesday, July 15, 2026 · 3 sources

A data breach at Capital One has exposed the personal information of more than 100 million people. The breach included credit scores, balances, and Social Security numbers of about 140,000 customers.

A hacker gained access to the personal information of over 100 million people in a data breach at Capital One. The information exposed includes credit scores and balances. For about 140,000 customers, the breach also included their Social Security numbers. This incident is one of the largest data breaches to affect a major US bank. The hacker was able to obtain this sensitive information, highlighting the ongoing risk of cyberattacks on financial institutions. The breach is under investigation, and the company is working to notify affected customers.

The 50+ takeaway: Protect your Social Security number

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What kind of information was exposed in the Capital One data breach?

The breach exposed credit scores, balances, and for about 140,000 customers, their Social Security numbers. This is sensitive information that could potentially be used for identity theft or other malicious activities.

How many people were affected by the data breach?

More than 100 million people were affected by the breach, making it one of the largest data breaches to hit a major US bank. The scale of the breach is significant and underscores the risk of cyberattacks on financial institutions.

Is the breach under investigation?

Yes, the breach is under investigation. Capital One is working to determine how the breach occurred and to notify affected customers. The company will likely face scrutiny over its data security practices.

What is being done to protect affected customers?

Capital One is notifying affected customers and will likely offer them credit monitoring services to help protect against identity theft. The company may also take steps to improve its data security to prevent similar breaches in the future.

How common are data breaches like this one?

Unfortunately, data breaches are becoming increasingly common. Cyberattacks on financial institutions and other companies that handle sensitive personal information are a major concern. Companies must continually update their security measures to stay ahead of potential threats.