Chicago & Illinois
Penetration testing in Chicago, IL
Inttelio runs real-world penetration tests for Chicago-area companies - web apps, APIs, networks, and cloud - to find exploitable weaknesses before an adversary does. Manual, expert-led testing with clear, prioritized reporting your engineers can act on. Based in Chicagoland, serving the greater Chicago metro and clients nationwide.
What we test
Penetration testing services for Chicago businesses
Web & API testing
Application-layer testing against the OWASP Top 10 and business-logic flaws that scanners miss.
Network testing
External and internal network penetration testing to find exposed services, weak segmentation, and lateral-movement paths.
Cloud testing
AWS, Azure, and GCP configuration and identity testing to catch the misconfigurations attackers exploit.
All pen-testing services →Why Chicago companies choose Inttelio
- Manual, expert-led testing - not just an automated scan with a logo on it
- Reports engineers can act on: reproducible steps, real impact, prioritized fixes
- Testing mapped to SOC 2, ISO 27001, HIPAA, and PCI requirements
- A retest to confirm your fixes actually closed the findings
Scope matters - see why scope is your biggest blind spot.
More on our penetration testingAreas we serve
We provide penetration testing to businesses across the Chicago metro and Northwest Suburbs, including:
Not in Chicago? We serve clients across the U.S. remotely - get in touch.
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