NetSPI

Updated in 2024

In business since 2001, NetSPI fully focuses on penetration testing in its many facets, covering application, network, cloud and other types of pentesting. They also offer their own product for vulnerability management called Resolve, in addition to an extensive range of educational resources, such as podcasts, webinars, open-source tools, and wiki. One of their services is training for pentesting professionals, offered as private and public courses.