Poloniex

Poloniex

Data Breach

poloniex.com

952,380

Records Exposed

Apr 2020

Date of Breach

Database

Breach Type

Jun 2025

Added to Database

About This Breach

In April 2020, Poloniex, a US based cryptocurrency exchange and fintech platform, suffered a data breach affecting nearly 1 million records. The exposed data includes over 950,000 unique email addresses and plaintext passwords. Breaches involving financial platforms pose significant risks of fraud and unauthorized account access. Strong encryption and strict cybersecurity protocols are vital to protect user assets and maintain trust.

Compromised Data Types

Email Address Plaintext Password

Country

United States

Language

English

Password Storage

Plaintext

Category

Cryptocurrency, Financial

Indexed On

Jun 25, 2025

Breach Type

Database

What Should You Do?

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  • Change your password immediately on Poloniex and any other site where you used the same password. Use a unique, strong password for each account.
  • Watch for phishing emails targeting your inbox. Attackers may use your exposed email address to send convincing scam messages.
  • Enable two-factor authentication (2FA) on all important accounts to add an extra layer of security.
  • Use a password manager to generate and store unique, strong passwords for every account.

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