NetSPI logo

NetSPI

Leading penetration testing firm with the Resolve platform for continuous attack surface management, trusted by nine of the top ten US banks.

Best for Mid-MarketBest for Financial Services
Founded
2001
Team Size
201-500
Geography
Global
Last verified: Feb 2026

About

NetSPI is a leading penetration testing and attack surface management company headquartered in Minneapolis, Minnesota. Founded in 2001, NetSPI has grown into one of the most trusted names in offensive security, serving over 2,000 clients including nine of the top ten US banks and numerous Fortune 500 companies. The company has pioneered an approach they call Penetration Testing as a Service, which combines expert manual testing with their proprietary Resolve platform for managing vulnerabilities across an organization's entire attack surface.

NetSPI's platform enables continuous visibility into security testing results, remediation progress, and trending vulnerability data. Their services span network penetration testing, web application testing, cloud penetration testing, adversary simulation, and attack surface management. NetSPI has invested heavily in cloud security expertise, developing specialized testing methodologies for AWS, Azure, and GCP environments.

The company's consultants hold advanced certifications including OSCP, CREST CRT, GPEN, and GXPN. NetSPI is known for their rigorous quality assurance process that ensures every engagement delivers consistent, high-quality results. The company has received significant venture capital investment and has been recognized by Gartner, Forrester, and other analysts as a market leader in penetration testing.

Methodologies

OWASPPTESNIST

Team Activity

Active in CTF competitions
Gartner Peer Insights Customers' Choice
Inc. 5000
Speaker: Black Hat
Speaker: DEF CON
Speaker: DerbyCon
Speaker: BSides
Open source: MicroBurst
Open source: PowerUpSQL
Open source: ESC

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