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OpenSea: A New Development in Data Breach with 7 Million Emails

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by Giorgi Kostiuk

2 months ago


In 2022, OpenSea faced a major security breach, which has now publicly revealed over seven million email addresses. This incident highlights vulnerabilities in crypto security.

The OpenSea Data Breach Timeline

In June 2022, OpenSea was drawing over 120 million monthly visitors and ranked among the world's top 400 websites. During this time, an employee of Customer(.)io exploited their access to extract and share OpenSea users' email addresses with a third party. The breach also affected prominent figures in the cryptocurrency industry.

Public Disclosure of the Breach

Cybersecurity expert 23pds confirmed on X that email addresses, including those of industry leaders and traders, are now publicly accessible. This increases the risk of phishing attacks for affected individuals, posing financial and reputational threats. Such attacks are a significant threat in the crypto space, enabling attackers to deceive users.

Recommendations for Users

SlowMist’s expert advised affected users to take immediate precautions, such as creating strong, unique passwords and using a password manager. It is also crucial to set up two-factor authentication using authenticator apps.

The OpenSea data breach is a critical lesson for the crypto industry, emphasizing the need for stronger security measures at all levels. It underscores the importance of protecting user data amidst the rise of phishing attacks.

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