OpenSea users lose $2 million worth of NFTs in phishing attack
The non-fungible token (NFT) marketplace OpenSea is investigating a phishing attack that left 17 of its users without more than 250 NFTs worth around $2 million.
NFTs represent data stored on a blockchain, Ethereum in this case, that declares ownership of digital files, typically media files of artwork.
Currently valued at $13.3 billion and considered one of the largest in the world, OpenSea is a peer-to-peer NFT marketplace that also enables trading rare digital items and crypto collectibles.
Exploiting a migration
Phishing actors are always looking for ways to take advantage of changes that require users to take action and the OpenSea NFT theft is no different.
Researchers at Check Point say in a report today that the phishing actors knew about OpenSea upgrading its smart contract system to purge old and inactive listings on the platform and prepared for the migration with emails and websites of their own.
OpenSea informed its users that they had to update their listings between February 18 - 25 if they wanted to continue using the platform.
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