In fact, the personal information of people with a high credit score can sell for relatively little on the dark net.Ĭyberattacks on companies are also costly. That data is then available on the dark web and can be used to ruin your financial life. Personal information-such as Social Security numbers, birth dates, bank account information, and credit card numbers-is at risk. An estimated 64% of Americans have been affected by at least one data breach.