arbitrum-cross-chain-bridge[.]github[.]io

The domain arbitrum-cross-chain-bridge.github.io is a live phishing site impersonating the brand "across," with a high threat score of 85/100. It is currently serving malicious content to unsuspecting users. VirusTotal reports that 3 out of 95 security vendors, including ChainPatrol and G-Data, have flagged this domain as malicious, and it appears on 3 public blocklists, although Google Safe Browsing has not yet flagged it.

Registered with MarkMonitor, Inc. on February 22, 2026, the domain has been active since its creation date, with the hosting IP address being 185.199.108.153. The lack of additional detection from most vendors indicates a potential for further exploitation as it remains under the radar of many security systems.

Immediate action is required: block the domain at the perimeter and report it to the registrar's abuse desk to mitigate potential harm.