1639748-coinbase[.]com

The domain 1639748-coinbase.com is identified as a high-risk brand impersonation threat, specifically targeting users of the legitimate financial service Coinbase. This domain attempts to deceive users by mimicking the genuine interface and branding of Coinbase to harvest sensitive information such as login credentials and potentially financial information. The use of similar domain names is a common tactic in phishing schemes to exploit user trust and familiarity with well-known brands.

Technical analysis reveals that the domain was created on February 26, 2026, and registered through NiceNIC International Group Co., Limited. It has been flagged by Google Safe Browsing as a phishing site. On VirusTotal, 13 out of 95 security vendors have identified this domain as a security threat. Furthermore, 1639748-coinbase.com appears on three different security blocklists, including PhishDestroy, MetaMask, and SEAL, indicating widespread recognition of its malicious intent. The domain has since been taken offline, reducing immediate risk, but the potential damage from any harvested data remains a concern.

Users who have interacted with this domain should take immediate action to protect their personal and financial information. It is critical to change passwords associated with the affected accounts and monitor for any unauthorized activity. Additionally, users are advised to enable two-factor authentication on all accounts to enhance security. Staying informed about phishing tactics and regularly checking account statements can help mitigate future risks. If any suspicious activity is detected, contacting the relevant financial institutions promptly is recommended to prevent further compromise.