Phishing Pop Ups |top| Page

Malicious advertisements (malvertising) can automatically redirect your browser to a full-screen "scareware" page that locks the browser and demands you call a support number. 2. Common Attack Themes

Modern browsers block unrequested pop-ups (those that load on page entry). However, are often requested —they appear after you click a button (like a fake “Download” link) or are embedded directly into the webpage using JavaScript overlays. These are not technically “pop-ups” to your browser; they are modal windows inside the page itself. phishing pop ups

| Function | Description | |----------|-------------| | | Detect new windows/inline modals before they render sensitive content | | URL/Origin Analysis | Check if pop-up domain differs from main page domain (cross-origin) | | Heuristic Scanning | Analyze pop-up HTML for login forms, urgency language ("verify now"), fake brand logos | | Blocklist Lookup | Query local or cloud-based known phishing/malicious URL databases | | User Warning Dialog | Replace suspicious pop-up with clear, non-scary warning and actionable options | However, are often requested —they appear after you