OpenSea, the largest and biggest NFT marketplace by daily volumes, pointed to a data breach caused by email provider Customer.io. Marketplace reported that a customer.io employee downloaded customer email addresses.
An employee of our email vendor, https://t.co/6vM4WAcJal, misused their employee access to download & share email addresses with an unauthorized external party.
Email addresses provided to OpenSea by users or newsletter subscribers were impacted.https://t.co/Osb6qqkqZZ
— OpenSea (@opensea) June 30, 2022
An employee at Customer.io, the email provider of NFT marketplace Opensea, misused Opensea customer mail. It is assumed that any customer who shares their email with the marketplace for the platform or newsletter is most likely affected by the breach.
OpenSea warned of possible phishing attempts in the wake of the breach. The NFT marketplace stated in a blog post that it is currently in contact with law enforcement regarding the breach.
The NFT marketplace stated in a blog post that it is currently in contact with enforcement regarding the breach.
The cluster lags behind many other crypto-related attacks. Notably, the Axie Infinity hack, which stole over $600 million in tokens in April.