facebook-authentication[.]secure-datalink[.]org

This domain is flagged for high-risk brand impersonation, specifically targeting Facebook. It poses a significant threat by attempting to deceive users into providing sensitive information, such as login credentials, which can lead to unauthorized access to personal accounts and potential financial loss.

Analysis indicates that the domain facebook-authentication.secure-datalink.org has been flagged by 21 out of 95 security vendors on VirusTotal, suggesting a high level of suspicion. The domain was created on January 18, 2019, and is registered through Amazon Registrar, Inc. The IP address 54.195.100.142, located in Ireland (AWS EC2 eu-west-1), further points to the sophisticated infrastructure used to carry out these attacks. Additionally, the domain appears on one security blocklist and has been flagged by Google Safe Browsing as a phishing site.

If a user has visited this domain, it is crucial to take immediate action. First, change the passwords for all affected accounts, especially Facebook, and enable two-factor authentication (2FA) for additional security. Monitor account activity for any signs of unauthorized access or suspicious transactions. Report the incident to Facebook's security team and consider using a password manager to generate and store strong, unique passwords for all online accounts. It is also advisable to run a comprehensive security scan on the device used to access the site to ensure it has not been compromised.