Human-Led
AI-Accelerated
Modern Pentesting

NetSPI combines 350+ elite human penetration testers with purpose-built AI to deliver modern, continuous cybersecurity testing.

Attack Surface Visibility
Vulnerability Prioritization
Attack Simulation

Context Driven Insights – Expedited Remediation

360° Visibility
Attack Surface Management

With NetSPI, you gain an always-on understanding of your attack surface, both internal and external. NetSPI automatically scans your external perimeter and internal assets with integrations across identities, applications, and devices.

Securing the Most Trusted Brands on Earth

%

Largest
Cloud Providers

%

Top U.S.

Banks

%

World’s Largest
Healthcare Companies

%

MAMAA
Tech Giants

Why NetSPI?

As the pioneer of Penetration Testing as a Service (PTaaS), NetSPI has led security innovation since its inception in 2001. With more than 20 years of history, 350+ experts, and 50+ pentesting services, NetSPI delivers pentesting that evolves and improves with every engagement. Our combination of expert-led testing, real-world insight, and purpose-built AI enables faster testing without sacrificing accuracy and delivers the security assurance organizations need.

Customer Stories

  • Microsoft
  • Nuspire
  • Gong
  • GAFG
  • Hudl
  • Trimble

NetSPI has demonstrated the ability to listen and adapt as needed to emerging requirements. They have consistently invested in ways that ensure their effectiveness in delivering the outcomes we need.

Leader & Outperformer in 2025 GigaOm Radar for Penetration Testing as a Service ( PTaaS )

Hack Responsibly – Technical Blog

Karl Fosaaen at DefCon Cloud Village

Karl Fosaaen

VP, Research @ DEF CON 32

Rust’s Role in Embedded Security 
Rust enhances memory safety in embedded systems, but rigorous security testing remains essential to address logic, hardware, and cryptographic vulnerabilities. Explore the benefits and key considerations of using Rust

Hack Responsibly – Podcast

Podcasts

EPISODE 04 – From Blue Team to Pentesting: Tools, Tales, and Techniques

In this episode, host Karl Fosaaen sits down with Paul Ryan, Senior Director of Application Security at NetSPI, to explore his journey in cybersecurity and his leadership in application pentesting.

Learn More
Podcasts

EPISODE 05 – Proactive Cloud Security: Mitigate Real Risks

In this episode of the Hack Responsibly podcast, NetSPI VP of Research Karl Fosaaen connects with Phil Young, NetSPI Director of Mainframe Pentesting.

Learn More
Podcasts

EPISODE 06 – Testing at the Speed of Hackers

In this episode of the Hack Responsibly podcast, NetSPI VP of Research Karl Fosaaen connects with James Albany, Senior Director of Network Pentesting.

Learn More