openseapro-start4[.]vercel[.]app

The domain openseapro-start4.vercel.app is classified as a high-risk threat due to its brand impersonation of OpenSea. This type of phishing campaign typically aims to deceive users into providing sensitive information, such as login credentials or private keys, by mimicking the legitimate appearance and functionality of the OpenSea platform.

Analysis indicates that openseapro-start4.vercel.app is currently active and has been flagged by 16 out of 95 security vendors on VirusTotal, suggesting a significant level of suspicion. The domain was registered through Tucows Domains Inc. on February 21, 2026, and resolves to the IP address 216.198.79.131, which is located in the United States and is associated with AS16509 Amazon.com, Inc. The SSL certificate is issued by Google Trust Services / WR1, which could lend an air of legitimacy to unsuspecting users. The page title 'Deployment Unavailable' may be used to lure users into taking further actions, believing the site is temporarily down. This domain appears on two known security blocklists, specifically PhishDestroy and PhishingDB, further corroborating its malicious intent.

To mitigate the risk posed by this domain, users are advised to verify the URL of any OpenSea-related pages they visit, ensuring it matches the official domain. Additionally, users should avoid clicking on suspicious links, especially those received via email or social media, and should instead navigate directly to the OpenSea website through a trusted method. Organizations are recommended to update their security blocklists to include this domain and to educate their employees about the signs of brand impersonation phishing, emphasizing the importance of verifying URLs and avoiding suspicious communications.