DOMshield

Open alternatives to proprietary systems like Netcraft Extension and Google Safe Browsing rely on community-driven threat intelligence and webpage analysis. Public platforms such as PhishTank, OpenPhish, and URLhaus provide open feeds of phishing and malicious URLs. These feeds can be used to maintain a local blacklist. Detection is then performed through DOM analysis and URL heuristic checks. This creates a fully open and independent phishing detection approach without relying on proprietary services.