Over 7 Million OpenSea Email Addresses Exposed

user avatar

by Giorgi Kostiuk

2 years ago


In 2022, OpenSea was rocked by a massive data breach affecting millions of users. Now, with over 7 million email addresses publicly accessible, users are at significant risk of phishing attacks.

Timeline of the OpenSea Data Leak

In June 2022, during OpenSea's peak success, an employee of their email vendor, Customer.io, exploited their access to extract and share OpenSea users' email addresses with a third party. This breach affected both regular users and prominent figures in the crypto industry.

Dangers of Phishing Attacks

As confirmed by cybersecurity expert 23pds, these email addresses are now widely accessible, making their owners prime targets for phishing attacks. These attacks pose financial and reputational threats, often mimicking communications from trusted entities like OpenSea.

Security Recommendations

Experts strongly advise users whose email addresses were compromised to enhance their security measures by creating strong, unique passwords and using password managers. Two-factor authentication via apps is also crucial.

This incident serves as a reminder of the importance of data protection in the crypto realm. The OpenSea case highlights the need for heightened security awareness at all levels of a platform's operation, including third-party services.

Tier I

Sector: #18291

Sealed Hiding Place Room

Resource Cache

Resource Cache

Tier I

Requires 25% Tier Progress to Claim
Meme Cache

Meme Cache

Tier I

Requires 50% Tier Progress to Claim
Equipment Cache

Equipment Cache

Tier I

Requires 75% Tier Progress to Claim

After collecting, hiding places will be stored in your inventory and can be opened with Keys.

Other news

World Launches New Banking and Finance Services

World has introduced its banking and finance services focusing on human verification and credentialing.

user avatarMiguel Rodriguez

UNDP and Blockchain for Good Alliance Launch Cybersecurity Programme

On October 19, the UNDP and the Blockchain for Good Alliance announced a two-year cybersecurity programme aimed at enhancing blockchain adoption in public institutions.

user avatarLuis Flores

Andreessen Horowitz Expands Crypto Investment Scope with A16z Frontier

Andreessen Horowitz has rebranded its crypto investment fund to A16z Frontier, allowing for a broader investment scope in emerging technologies.

user avatarArif Mukhtar

Robinhood Secures DFSA Authorization and Plans Dubai Expansion

Robinhood has announced its DFSA authorization and plans to establish a headquarters in the Dubai International Financial Centre, with a rollout in the Middle East set for 2027.

user avatarMaria Gutierrez

Circle Updates Institutional USDC Service Details

Circle provides an update on its service for connecting institutional USDC flows, highlighting the complexities of minting and liquidity management.

user avatarDavid Robinson

Grayscale's Research Note Explores Crypto and AI Integration

Grayscale's October 23 research note discusses the intersection of cryptocurrency and AI, highlighting various business models and their implications.

user avatarAndrew Smith

Important disclaimer: The information presented on the Dapp.Expert portal is intended solely for informational purposes and does not constitute an investment recommendation or a guide to action in the field of cryptocurrencies. The Dapp.Expert team is not responsible for any potential losses or missed profits associated with the use of materials published on the site. Before making investment decisions in cryptocurrencies, we recommend consulting a qualified financial advisor.