Fenrir V2.0: 83,920 Defensive Cybersecurity Instruction Triples

Fenrir V2.0 contains 83,920 system/user/assistant triples for defensive cybersecurity instruction-tuning, created by Alican Kiraz and updated in October 2025. The collection focuses on alignment-safe training across frameworks like MITRE ATT&CK, NIST CSF, and the OWASP Top 10.

Use Cases

• Fine-tuning LLMs to generate remediation advice for OWASP Top 10 vulnerabilities
• Training models to categorize security controls using NIST CSF or CIS Controls
• Developing assistants for configuring secure authentication via OAuth 2.0 and SAML

Strengths

• 83,920 high-quality instruction triples
• Coverage of specialized domains like AI Security and DevSecOps
• Alignment with industry standards including MITRE ATT&CK and NIST CSF

Limitations

• Restricted to defensive security contexts
• Lacks technical artifacts like PCAP files or system logs

Provenance

Source

Alican Kiraz

Freshness

Updated October 2025