Training
Featured CourseView All Courses
Get a free hour of SANS training

Experience SANS training through course previews.

Learn More
Learning Paths
FeaturedView all Focus Areas
Cloud Security Training
Can't find what you are looking for?

Let us help.

Contact us
Community Resources

SANS Community Benefits

Connect, learn, and share with other cybersecurity professionals

AI Risk & Readiness

Explore expert-driven guidance, training, and tools to help defend against AI-powered threats and adopt AI securely.

Join the SANS Community

Become a member for instant access to our free resources.

Sign Up
For Organizations

Public Sector

Mission-focused cybersecurity training for government, defense, and education

Partnerships

Explore industry-specific programming and customized training solutions

Sponsorship Opportunities

Sponsor a SANS event or research paper

Interested in developing a training plan to fit your organization’s needs?

We're here to help.

Contact Us
Talk With an Expert
Talk With an Expert

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

Login to download
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

Webcast 4 of 5 in our Special Series—Explore the full lineup here. In today’s complex threat landscape, no single security solution is enough. A modern cybersecurity strategy requires layered, overlapping defenses to detect, prevent, and respond to both external threats and insider risks.

Read more
Webcast Abstract Image

Meet the expert

Ted Demopoulos
Ted Demopoulos

Ted Demopoulos

Principal Instructor

Ted's background includes 25+ years of experience in information security and business. He's also written two books about Social Media, and is the recipient of a Department of Defense Award of Excellence.

Read more about Ted Demopoulos