Penetration Testing
Real-world attacks against your applications, networks, and cloud — so you find the weaknesses before an adversary does.
Learn more →Cybersecurity Consulting
Custom cybersecurity, built around your business.
Inttelio is a cybersecurity consulting firm in Chicago (Palatine, IL), serving clients nationwide. We deliver penetration testing, vCISO leadership, and compliance — tailored programs that reduce real risk and scale across cloud, on-premise, and hybrid environments.
What we do
Security services that fit your risk, not a template
From a single engagement to an ongoing partnership, we meet you where you are.
vCISO
Executive security leadership and strategy — the expertise of a CISO without the cost of a full-time hire.
Learn more →Compliance Solutions
Audit-ready compliance across the frameworks your customers and regulators expect.
Learn more →Incident Response
Fast containment and recovery when it matters most, plus the hardening to prevent a repeat.
Learn more →Why custom matters
Generic security creates a false sense of safety
Every organization has a different stack, threat model, and set of obligations. We start by understanding yours — then build controls that address the risks that actually apply to you.
- Proactive monitoring, vulnerability management, and threat intelligence
- Compliance with ISO 27001, NIST, SOC 2, GDPR, and CPRA
- Scalable services that grow with your business
- Hands-on operational support, not just a report
A partner, not a vendor
We embed with your team to make security practical and sustainable — translating findings into prioritized action and measurable risk reduction.
- Clear, prioritized findings
- Remediation guidance and retesting
- Executive-ready reporting
Let’s build your security plan
Tell us about your environment and goals. We’ll outline a customized approach — no pressure, no jargon.
Contact us