Top 10 Security breaches of all time

Rabiul Alam
2 min readFeb 10, 2023

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Data breaches have become a common occurrence in today’s digital world, with millions of records being stolen or compromised every year. Here are the top 10 security breaches of all time that had a significant impact on the individuals and organizations affected by them.

  1. Equifax data breach (2017): Equifax, one of the largest credit reporting agencies in the United States, suffered a massive data breach that exposed the personal and financial information of 143 million people. The data included names, addresses, social security numbers, birth dates, and driver’s license numbers.
  2. Yahoo data breaches (2013–2014): Two separate data breaches at Yahoo in 2013 and 2014 exposed the personal information of all three billion of the company’s users, including names, email addresses, phone numbers, dates of birth, and security questions and answers.
  3. Marriott International data breach (2018): Marriott International suffered a data breach that exposed the personal information of 500 million guests, including names, addresses, phone numbers, email addresses, passport numbers, and dates of birth.
  4. Target data breach (2013): Target suffered a data breach that exposed the credit and debit card information of 40 million customers, as well as the personal information of 70 million customers, including names, addresses, and phone numbers.
  5. Capital One data breach (2019): Capital One suffered a data breach that exposed the personal information of 100 million individuals, including names, addresses, credit scores, and social security numbers.
  6. JPMorgan Chase data breach (2014): JPMorgan Chase suffered a data breach that exposed the personal information of 76 million households and 7 million small businesses, including names, addresses, phone numbers, and email addresses.
  7. Anthem data breach (2015): Anthem, one of the largest health insurance companies in the United States, suffered a data breach that exposed the personal information of 80 million customers, including names, addresses, birth dates, social security numbers, and medical IDs.
  8. eBay data breach (2014): eBay suffered a data breach that exposed the personal information of 145 million users, including names, addresses, phone numbers, and dates of birth.
  9. Home Depot data breach (2014): Home Depot suffered a data breach that exposed the credit and debit card information of 56 million customers, as well as the email addresses of 53 million customers.
  10. Uber data breach (2016): Uber suffered a data breach that exposed the personal information of 57 million customers and 600,000 drivers, including names, email addresses, and phone numbers.

These security breaches highlight the importance of protecting personal and sensitive information in the digital age. Organizations must take proactive measures to secure their systems and data, and individuals must be vigilant about protecting their own personal information. By taking these steps, we can help reduce the risk of future security breaches and protect our sensitive information.

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