# Defensible > Managed cybersecurity and IT for growing companies. Founded by former Stroz Friedberg leaders, Defensible aligns security programs to your stage of growth. Defensible delivers integrated cybersecurity and IT services — MSP, MSSP, vCISO, assessments, penetration testing, and incident response — built for SMBs, SaaS startups, private equity portfolios, and non-profits. ## Pages - [Home](/): Managed cybersecurity and IT for growing companies. - [Why Defensible](/why-defensible): What sets Defensible apart. - [About Defensible](/about-defensible): Leadership, history, and mission. - [Services](/services): Full cybersecurity and IT service catalog. - [Cybersecurity Services](/cybersecurity-services): Offensive and defensive security offerings. - [IT Services](/it-services): Managed IT operations and support. - [Managed IT Services](/managed-it-services): All-in-one managed IT for growing companies. - [MSSP Services](/mssp-services): Managed security services for in-house IT teams. - [vCISO Services](/vciso-services): Executive cybersecurity leadership on demand. - [Fractional CISO](/fractional-ciso-service): Part-time CISO engagement model. - [Assessment Services](/assessment-services): Security and risk assessment offerings. - [Comprehensive Risk Assessment](/comprehensive-risk-assessment): Enterprise-wide cyber risk review. - [Compromise Assessment](/compromise-assessment): Detect existing attacker activity. - [Cyber Due Diligence (M&A)](/cyber-due-diligence-m-and-a): Pre-transaction security diligence. - [Cyber Insurance Readiness](/cyber-insurance-readiness-assessment): Prepare for underwriter requirements. - [Penetration Testing](/penetration-testing): Manual offensive testing services. - [Red Team Service](/red-team-service): Adversary simulation engagements. - [Incident Response & Digital Forensics](/incident-response-and-digital-forensics): Breach response and DFIR. - [Industries](/industries): Sectors Defensible serves. - [SaaS Startups](/saas-startups): Security for early-stage SaaS. - [Private Equity](/private-equity): Portfolio cybersecurity programs. - [Non-Profit](/non-profit): Security tailored to mission-driven orgs. - [Pricing](/pricing): Managed services packages and pricing. - [Resources](/resources): Blog, guides, and case studies. - [Testimonials & Success Stories](/testimonials-and-success-stories): Client outcomes. - [Partners](/partners): Technology and channel partners. - [Referral Program](/referral-program): Refer business to Defensible. - [Careers](/careers): Open roles. - [Get Started](/get-started): Book a consultation. - [AI Training for Business](/ai-training-for-business): AI readiness resource hub. - [How Does AI Work](/how-does-ai-work): Plain-language AI primer. - [Prompt Engineering Guide](/prompt-engineering-guide): Practical prompt techniques. - [AI Prompt Library](/ai-prompt-library): Ready-to-use business prompts. ## Optional - [Privacy Policy](/privacy-policy): Data handling and privacy practices.