How Browser Extensions can Exploit User Activities for Malicious Operations

This report explains how browser extensions can introduce security risks through broad permissions and potential hijacking, enabling keylogging, malvertising, and command-and-control activity; it also highlights cybercriminal markets like Genesis Store and Russian Market that sell stolen browser fingerprints and provide a .crx plugin to ease account takeover. It concludes with practical guidance: minimize installed extensions, prefer official stores, scrutinize permissions, and treat new permission requests as potential red flags.