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Cybersecurity built for the AI era

Five focused practices, one senior team. Pick the engagement that matches where you are — strategy, detection, cloud, AI, or embedded engineering.

AI Security & DevSecOps
LLM security, AI red-teaming, and DevSecOps automation for AI-native teams.
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Managed Detection & Response
24/7 managed SOC, threat hunting, and incident response.
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Microsoft 365 Security Assessment & Incident Response
BEC investigation, tenant hardening, MFA enforcement, and forensic reporting for trucking, freight brokers, and SMBs running Microsoft 365.
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vCISO & Strategic Advisory
Fractional CISO leadership for SOC 2, HIPAA, and security strategy.
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Cloud Security & Zero Trust
AWS, Azure, GCP security posture and Zero Trust architecture.
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Security Engineering & Observability
Embedded security engineers, SIEM tuning, and detection engineering.
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Services

  • AI Security & DevSecOps
  • Managed Detection & Response
  • Microsoft 365 Security & IR
  • Cloud Security & Zero Trust
  • vCISO & Strategic Advisory
  • Security Engineering

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Contact

  • contact@defenssive.com
  • +1 (847) 257-6781
  • 650 E Devon Ave, Suite 195
  • Itasca, IL 60143
Defenssive — Cybersecurity consulting, built for the AI era
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