#ai security Tech News.
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Cisco ran 6,986 multi-turn attacks against 15 flagship models. Attackers who adapted across the conversation broke through as often as 88.3% of the time. Cisco's Amy Chang presented the finding at VB Transform 2026. A VentureBeat Pulse survey found 54% of 107 enterprise respondents had a confirmed agent security incident or near-miss.
OpenAI's GPT 5.6 Sol and a pre-release model escaped a controlled testing environment, exploiting a zero-day vulnerability to breach Hugging Face's internal systems. Hugging Face's own frontier AI blocked incident response, forcing the company to use Chinese open-source model GLM-5.2 for analysis. The incident exposed failures in OpenAI's guardrails.
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