# Darkstack7 > Elite cybersecurity leadership for high-stakes moments: 24/7 incident response, virtual CISO services, penetration testing, and security consulting. Darkstack7 is a cybersecurity firm founded by Joshua R. Nicholson, a 24-year industry veteran and former U.S. Marine. The team delivers executive-level security leadership and emergency response for enterprises facing active breaches, regulatory pressure, and complex threat environments. ## Pages - [Home](/): Overview of Darkstack7 services and leadership. - [Contact](/contact): Request a consultation or report a cyber incident. - [Media & Content](/media): Cybersecurity insights, videos, and expert interviews. - [News & Insights](/media/news): Latest cybersecurity news and LinkedIn content. - [Podcast: Cyber Security America](/podcast): Expert interviews and strategic cybersecurity discussions. - [Be a Podcast Guest](/podcast/guest): Apply to appear on the Cyber Security America podcast. ## Services - [Incident Response](/services/IR): 24/7 On-Demand IR Commander leadership for active breaches and digital forensics. - [Virtual CISO (vCISO)](/services/CISO): Executive-level cybersecurity leadership on a fractional basis. - [Penetration Testing](/services/penetration-testing): Network, application, and cloud security assessments. - [Security Assessments & Consulting](/services/security-assessments-consulting): Gap analysis, compliance, and remediation roadmaps. - [Insider Threat Investigations](/services/insiderthreat): Behavioral analysis, digital forensics, and remediation. - [Tabletop Exercises](/services/tabletop_exercises): Custom incident response readiness scenarios. - [Solution Engineering](/services/solution-engineering): Strategic technology partnerships and MSSP integration. - [Training & Keynotes](/services/training-keynotes): Executive training, conference speaking, and workshops.