Could hackers use AI agents to spam your WhatsApp contacts? Here's what researchers found
2026-08-06
The Indian Express
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Researchers from Zenity Labs revealed at Black Hat USA in Las Vegas that AI-powered browsers from OpenAI, Google, Anthropic, Microsoft, and Perplexity are vulnerable to prompt-injection and zero-click exploits. These flaws allow attackers to hijack AI agents, steal data, compromise accounts, and perform unauthorized actions, causing significant harm to users' privacy and property.[AI generated]
Why's our monitor labelling this an incident or hazard?
The article explicitly involves AI systems (AI browser agents) whose exploitation directly led to unauthorized spamming of WhatsApp contacts, a form of harm to users (harm to communities and individuals). The researchers demonstrated a proof-of-concept attack that bypassed security controls, showing the AI system's malfunction or misuse caused the harm. The involvement of AI is clear and central, and the harm is realized, not just potential. Although the WhatsApp platform itself was not compromised, the AI agent's hijacking caused the spam messages, fulfilling the criteria for an AI Incident. The article also discusses broader security implications and responses but the main event is the realized harm from AI misuse.[AI generated]