Cisco Foundation AI introduces the first open-weight reasoning model for security.

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Cisco Foundation AI released Foundation-sec-8B-Reasoning, an 8-billion-parameter open-weight reasoning model specifically designed for cybersecurity workflows. The model extends previous Foundation-sec models with structured reasoning capabilities for multi-step security analysis, including threat detection, adversary behavior mapping, and vulnerability assessment. It outperforms larger general-purpose models on security-specific benchmarks while maintaining a compact 8B footprint. Available on Hugging Face under an open-weight license, it can be deployed on-premises or in air-gapped environments with a 32K context window.

Foundation-sec-8B-Reasoning: The First Open-weight Security Reasoning Model