login[.]facebook[.]checkyourbook[.]com

This domain, login.facebook.checkyourbook.com, is identified as a brand impersonation threat specifically targeting Facebook users. Analysis confirms the domain was designed to mimic the Facebook login interface, as evidenced by the page title 'Facebook - Log In or Sign Up' and the absence of legitimate branding indicators. The threat type is classified as credential phishing, with the intent to harvest user account credentials through deception. Infrastructure analysis reveals the domain was registered through Cloudflare, Inc., and resolved to the IP address 185.107.74.34, located in Sweden under autonomous system AS200430 (WEBO LLC). The domain was created on March 07, 2026, and currently appears on one security blocklist. Detection metrics indicate that 22 of 95 security vendors on VirusTotal flagged this domain as malicious. Notably, the domain lacks an SSL certificate, which is atypical for legitimate login portals and further corroborates its fraudulent nature. As of the latest assessment, login.facebook.checkyourbook.com has been taken offline, reducing immediate risk to end users. However, organizations and individuals are advised to update security controls to block the domain and its associated IP address. Users who may have interacted with this domain should immediately reset their credentials on the legitimate Facebook platform and enable multi-factor authentication. Network administrators are recommended to monitor for any residual connections to 185.107.74.34 and review logs for potential credential exposure incidents.