// Offensive Security Consulting · Ohio

We Think
Like Attackers.

Specializing in 

Threat-led. Goal-oriented. Collaborative. Intrusion-Sec delivers elite offensive security engagements that expose real vulnerabilities before adversaries do — and equips your team to keep them out.

Scroll

The Philosophy

Every engagement is built on principles that go beyond checkbox compliance — we deliver outcomes that matter to your organization.

Threat-Led

Engagements are scoped and executed based on the actual threat actors and TTPs targeting your industry — not generic vulnerability lists.

Goal-Oriented

We define clear objectives and success criteria before every engagement. Every finding maps to a business impact and an actionable remediation path.

Offensive-Informed Defense

The best defenders understand how attackers operate. Our offensive expertise directly informs practical recommendations your team can implement.

Collaborative Testing

We work alongside your team, not in isolation. Transparent communication throughout ensures shared understanding and faster remediation cycles.

Core Services

From network perimeters to AI systems, we test the full breadth of your attack surface.

Network Penetration Testing

External and internal assessments simulating real-world adversary tactics against your network infrastructure, devices, and protocols.

Cloud Security Assessment

Comprehensive evaluation of AWS, Azure, and GCP environments — IAM, storage misconfigurations, privilege escalation, and cloud-native attack vectors.

Web Application Testing

Manual-first testing beyond OWASP Top 10 — injection flaws, broken access controls, business logic vulnerabilities, and client-side attack surface.

API Security Testing

REST, GraphQL, and SOAP assessments targeting BOLA, mass assignment, improper auth, and injection vulnerabilities that automated scanners miss.

Red Team Operations

Full-scope adversary simulation with TTPs modeled after real threat actors to measure your detection, containment, and response capabilities.

AI / LLM Security

Specialized assessments for AI-powered applications — prompt injection, jailbreaking, RAG poisoning, and agentic tool-use abuse scenarios.

Intrusion-Sec, LLC

Built by Practitioners.

Intrusion-Sec, LLC is an Ohio-based offensive security consulting firm founded in 2021 by practitioners, for practitioners. We exist to help organizations understand their true risk posture by simulating the tactics, techniques, and procedures of real-world adversaries.

Whether you need a targeted penetration test, a full-scope red team engagement, or independent accountability over your MSSP — we deliver precision offensive security that translates directly into a stronger defense posture.

14+
Service Capabilities
100%
Practitioner-Led
EST.
2021 · Ohio
0
Cookie-Cutter Reports

Let's Start the Conversation.

Tell us about your environment, your concerns, or your compliance requirements. We'll help you identify the right engagement.

  Contact Us