Malvertising Campaigns Continue to Exploit Mobile Users at Scale

The report describes the "Trapdoor" malvertising campaign that abuses advertising infrastructure and hidden redirects to silently redirect mobile users through deceptive ad chains to fraudulent pages, unwanted downloads, or monetized traffic schemes; it emphasizes that mobile users are especially exposed due to in-app ads and limited background visibility, and recommends secure browsing practices, ad-traffic monitoring, and behavior-based mobile security controls.