Chromium extension uses AI‑related branding to redirect browser search

In this article Extension overview Key indicators of malicious behavior Dynamic analysis findings Mitigation and protection guidance References Learn more Microsoft Threat Intelligence has identified a malicious Chromium-based extension that spoofs the AI-powered answer engine Perplexity AI to trick unsuspecting users into installing it. Based on our observation of the extension’s behavior, we assess its primary objective to be search traffic interception and data collection, which might enable