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Defense in Depth: Multiple Layers of Protection Fortifying Your Cyber Defenses

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Defense in Depth: Multiple Layers of Protection Fortifying Your Cyber Defenses (PDF, 3.31MB)Published: 10 Jul, 2025
Created by:
Ted Demopoulos
Ted Demopoulos

Thank You To Our Sponsor

Download this paper and learn how to implement and evolve a Defense-in-Depth (DiD) strategy tailored to your organization’s risk profile, infrastructure, and cloud environment. Download the Executive Summary for a 2-page recap of this SANS paper. Download the infographic for an at-a-glance summary of this SANS paper.

Defense in Depth: Multiple Layers of Protection Fortifying Your Cyber Defenses

Related Webcast

Join us for this expert-led webcast to explore how to implement and evolve a Defense-in-Depth (DiD) strategy tailored to your organization’s risk profile, infrastructure, and cloud environment.

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Meet Your Author

Ted Demopoulos
Ted Demopoulos

Ted Demopoulos

Principal Instructor

Ted Demopoulos, SANS Principal Instructor and author of Infosec Rock Star, leads SEC401: Security Essentials–Network, Endpoint, and Cloud. He blends decades of consulting insight with a hands-on, student-focused approach that makes cybersecurity real.

Read more about Ted Demopoulos

Additional Resources

Risk-Adaptive Data Loss Prevention: Behavioral Intelligence with DLP

WhitepaperCyber Defense
  • 4 Jun 2026
  • Matt Bromiley

Bridging the Gap Between Threat Intelligence and Business Risk

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  • 29 May 2026
  • Kevin Garvey

Data Security Posture Management (DSPM): Modernizing Data Defense

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  • 26 May 2026
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2026 SANS Cyber Threat Intelligence (CTI) Survey Insights

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  • 15 May 2026
  • Rebekah Brown, Andreas Sfakianakis

Closing the Hypervisor Security Gap

WhitepaperCyber Defense
  • 30 Apr 2026
  • Megan Roddie-Fonseca

In-Depth Endpoint Forensics and Response at Scale

WhitepaperCyber Defense, Digital Forensics and Incident Response
  • 30 Apr 2026
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