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Google offers certificate in cybersecurity, no dorm room required “As this case unfolds, it will be interesting to see if the person was paid off or blackmailed by the external party for this specific access as a vector to phish and steal NFTs from individuals.” Must-read security coverage “Given that the individual had access uniquely to the OpenSea account at Customer.io, it stands to reason that this massive dump of emails likely wasn’t authorized, and secondarily, may have been an intentional malicious action by the individual,” said Karl Steinkamp, director at security advisory firm Coalfire. No motives have yet been revealed as to why the Customer.io employee shared the email addresses externally, but some experts don’t see the incident as accidental. Data collected by crypto analytics site Dune Analytics points to more than 1.8 million users who have made at least one purchase on OpenSea using the Ethereum network. OpenSea did not disclose how many people or email addresses were compromised in the breach, but it could be close to 2 million. SEE: Metaverse cheat sheet: Everything you need to know (free PDF) (TechRepublic) However, some feel that NFTs are highly speculative and unlikely to hold up as a long-term investment. The latest type of commodity in today’s cyber world, NFTs are unique and tradeable and have aroused interest among many collectors. Purchased using cryptocurrency, NFTs are digital items linked back to a blockchain to record ownership and other details. With a recent valuation of $13.3 billion, OpenSea is the largest marketplace for trading NFTs, or non-fungible tokens. OpenSea said that it’s working with Customer.io to investigate the incident and has also reported it to law enforcement.
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As described in the notice, the unnamed employee apparently misused their access to download and share email addresses of OpenSea users and newsletter subscribers with an unauthorized external party. The breach was caused by an employee at Customer.io, the email delivery vendor for OpenSea. In a notice published Wednesday, OpenSea revealed that anyone who shared their email address with the company in the past should assume that they were impacted. NFT giant OpenSea is warning of a data breach that exposed the email addresses of users and subscribers to the company’s newsletter. Triggered by an employee from an external vendor who shared email addresses with an unauthorized party, the breach could lead to phishing attempts against affected individuals. Data breach of NFT marketplace OpenSea may expose customers to phishing attacks
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