Nansen Data Breach: Third-Party Vendor Leaks User Info for Blockchain Firm and Fortune 500 Company
Blockdrain addresses are among the data compromised by a security breach affecting Nansen customers.
- Nansen’s reported data breach has impacted Fortune 500 companies among others.
- Email addresses, password hashes and blockchain addresses had been compromised as a result of the leak.
- Affected customers reached via email.
Nansen has announced that a third-party vendor has suffered a major data breach, impacting 6.8% of the company’s customers.
In an email to customers on Friday, September 22, the data firm stated that the leak had compromised data, including email addresses, password hashes, and blockchain addresses.
Fortune 500 Companies’ Data Exposed
Nansen provides data services for some of the world’s biggest firms. And in recent years, it has expanded its presence in the blockchain space with a number of new analytics tools.
In Friday’s statement, the company said the affected vendor was “used by many Fortune 500 companies, as well as other companies in our industry, to manage customer data.”
It said that affected customers have been notified by email, and Nansen has requested that they reset their passwords.
Nansen Asures Customers That Wallet Funds Are Safe
Although Nansen admitted that the leaked data includes blockchain addresses, it reassured customers that it doesn’t store private keys.
However, the email warned users to exercise extra caution against phishing attempts, as it acknowledged the exposure of their addresses.
“We understand the concern of users impacted by this,” the firm said.
“Ensuring the security of customer data is extremely important to us,” it continues, adding that “we are moving as fast as we can” to mitigate risks.
