Attackers are impersonating popular AI brands like Perplexity, Claude, ChatGPT, and Copilot to spread information stealers, backdoors, malicious browser extensions, and other malware, according to Sophos. Overview of MDR cases with AI involvement (Source: Sophos) Sophos X-Ops reviewed 12 months of managed detection and response cases, covering July 2, 2025 through June 29, 2026. Of 86 cases initially tagged for AI involvement, 34 were confirmed as malicious activity involving AI. Researchers added four cases uncovered … More
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