Zero Trust Security: Design and Implement Cyber Defense

Name: Zero Trust Security: Design and Implement Cyber Defense
Rating: 4.9 (59 reviews)

Zero Trust Security Architecture: Design, Principles, Governance, Drive Zero Trust Transformation in Modern Enterprises.

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Created byMuhammad Naeem

Last updated 3/2026

English

English [Auto],

What you'll learn

Understand the evolution from traditional perimeter-based security to the Zero Trust model
Explain the core principles of Zero Trust, including “never trust, always verify”
Identify modern cybersecurity threats that drive the need for Zero Trust adoption
Apply key concepts such as least privilege, default deny, and assume breach
Design and implement the core pillars of Zero Trust Architecture
Manage identity and access using strong authentication and authorization controls
Secure devices, endpoints, applications, and workloads in a Zero Trust environment
Implement network segmentation and micro-segmentation strategies
Discover, classify, and protect sensitive data effectively
Use continuous monitoring and analytics to detect and respond to threats in real time
Understand and apply industry frameworks such as NIST, CISA, and Zero Trust models
Work with architectural components like policy engines, policy administrators, and trust algorithms
Differentiate between control plane and data plane in security architecture
Plan and execute a Zero Trust transition strategy for organizations
Map attack surfaces and analyze transaction flows
Develop and enforce Zero Trust policies and rulesets
Integrate legacy systems into a modern Zero Trust architecture
Perform auditing, compliance checks, and continuous security assessments

Course content

4 sections • 24 lectures • 1h 48m total length

The Evolution from Perimeter Security to Zero Trust4:45
Trace the shift from the perimeter security model to zero trust, showing how cloud, mobile, and remote work erase the inside-outside boundary and enforce never trust, always verify.
Defining Zero Trust: Core Principles and Philosophy4:32
Adopt a zero trust philosophy, never trust by default, always verify every access request, enforce least privilege and just-in-time and just-enough access, and assume breach with continuous real-time monitoring.
The Threat Landscape Driving Zero Trust Adoption4:39
Explore how sophisticated cybercrime, ransomware as a service, and insider threats drive zero trust adoption, and learn to contain movement with micro-segmentation and identity-focused security.
Key Terminologies in a Zero Trust Environment4:53
Define the core zero trust components—policy decision point, policy enforcement point, policy engine, and policy administrator—and explain trust algorithms, implicit trust zones, subjects, resources, and SIEM-driven enforcement.
The Principle of Least Privilege and Default Deny4:27
Explore the principle of least privilege and default deny within a zero-trust approach, using just-in-time and just-enough access to shrink the attack surface.
Understanding the "Assume Breach" Mentality4:34
Adopt an assume-breach mindset to shift from perimeter defenses to microsegmented, monitored networks that limit blast radius and trigger real-time access revocation when anomalies arise.

Identity Security and Access Management4:42
In a zero-trust world, identity is the new perimeter, protected by IAM, MFA, and SSO. Contextual access management and identity governance enforce least privilege with automated provisioning and reviews.
Device Security and Endpoint Verification4:08
Identify and register every device with digital certificates and hardware IDs, and continuously verify posture through health checks and automated responses using UEM and EDR.
Network Segmentation and Micro-segmentation4:18
Map transaction flows and apply software-defined networking to enforce micro-segmented perimeters that isolate workloads, reduce attack surfaces, and advance zero-trust security.
Application and Workload Security4:16
Zero-trust security centers on protecting applications and workloads by verifying every software service identity, reducing attack surface, and using immutable infrastructure, micro-segmentation, and service meshes with continuous monitoring.
Data Discovery, Classification, and Protection4:11
Discover and classify data across cloud and on-premises, then enforce zero-trust protection with encryption at rest, in transit, and in use, data loss prevention, masking, tokenization, governance, and least privilege.
Continuous Monitoring and Analytics Integration4:50
Implement continuous monitoring across the ecosystem within a zero-trust architecture, integrating security information and event management systems, analytics, and automated responses to detect anomalies and revoke access in real time.

The NIST Zero Trust Architecture Framework (SP 800-207)4:49
Explore how the NIST SP 800-207 zero trust framework standardizes seven core tenets, secures all communications, and uses the policy engine and policy administrator to govern enforcement.
Forrester's Zero Trust Extended (ZTX) Ecosystem4:58
Explore Forrester's zero trust extended ecosystem (ZTX), a pillar-based security framework that unifies data, networks, people, workloads, devices, visibility, and analytics with automation and orchestration for real-time defense.
CISA's Zero Trust Maturity Model4:16
Explore CISA's zero-trust maturity model, detailing four stages—from traditional to optimized. Learn the five pillars: identity, device, network, workload, and data, with cross-cutting governance, automation, and analytics.
Logical Components: Policy Engine and Policy Administrator3:57
Discover how the policy engine analyzes identity, device health, data sensitivity, and time/location context to grant or deny access in real time, with the policy administrator translating decisions into tokens.
Control Plane vs. Data Plane Separation4:18
Discover how zero-trust architecture separates the control plane from the data plane. See how an out-of-band control channel authenticates users, issues tokens, and enforces policies at the data plane.
Trust Algorithms and Dynamic Policy Evaluation4:37
The trust algorithm evaluates identity data, device health, environmental context, and threat intelligence to generate a real-time access score. Dynamic policy evaluation rechecks risk and revokes access when conditions fail.

Planning a Zero Trust Transition Strategy4:26
Assess your current environment and inventory data, apps, devices, and cloud services. Map information flows and plan a phased zero trust transition with a pilot and governance.
Identity-Driven vs. Network-Driven Transition Approaches4:06
Compare identity-driven and network-driven approaches to zero-trust migration, prioritizing robust authentication, single sign-on, and multi-factor verification, or micro-segmentation and software-defined perimeters for a unified defense.
Mapping the Attack Surface and Transaction Flows4:15
Map the attack surface and define the protect surface by automated asset discovery, then map transaction flows and enforce microsegmentation with zero-trust policies.
Formulating Zero Trust Policies and Rulesets4:58
Translate critical transaction maps into zero-trust policies using the Kipling questions to verify who, what, when, where, why, and how, with default deny and dynamic policy evaluation, and least-privilege rules.
Integrating Legacy Systems into a Zero Trust Model4:55
Wrap legacy systems with an identity-aware proxy and a micro-segmented software-defined perimeter to enforce zero-trust access, isolating sensitive data while planning modernization to SaaS or cloud-native structures.
Auditing, Compliance, and Continuous Assessment in Zero Trust4:50
Transform auditing into a continuous, automated stream that logs every interaction and transfer, feeding telemetry from identities, endpoints, and micro-segmented gateways to dynamic policy engines and continuous assessment for compliance.

Requirements

Interest in cybersecurity and modern security architectures
Willingness to learn and apply security concepts in real-world scenarios
No prior experience with Zero Trust is required — this course covers everything from fundamentals to advanced concepts

Description

This course contains the use of artificial intelligence.

This is an Unofficial Course.

This comprehensive course provides a deep and practical understanding of Zero Trust Security, one of the most critical modern approaches to cybersecurity in today’s rapidly evolving threat landscape. As traditional perimeter-based defenses become increasingly ineffective against sophisticated attacks, this course guides learners through the fundamental shift toward a “never trust, always verify” model that prioritizes continuous validation and strict access control.

You will begin by exploring how cybersecurity has evolved from legacy perimeter defenses to Zero Trust, gaining clarity on the philosophy, principles, and real-world drivers behind its widespread adoption. The course explains key concepts such as least privilege, default deny, and the “assume breach” mindset, helping you build a strong conceptual foundation that aligns with how modern organizations defend against advanced threats.

As you progress, you will dive into the core pillars of Zero Trust Architecture, including identity and access management, device and endpoint security, network segmentation, application protection, and data security. You will learn how these components work together to create a layered, resilient security posture, supported by continuous monitoring and intelligent analytics that enable real-time decision-making.

The course also provides a detailed exploration of leading industry frameworks and models, including guidance from organizations like NIST and CISA, as well as widely adopted architectural approaches. You will gain insight into how policy engines, policy administrators, and trust algorithms operate to enforce dynamic access decisions, along with an understanding of control planes and data planes in modern architectures.

Moving beyond theory, this course emphasizes practical implementation strategies. You will learn how to plan and execute a Zero Trust transition, evaluate different approaches based on organizational needs, map attack surfaces, and define effective policies and rulesets. Special attention is given to integrating legacy systems into a Zero Trust model without disrupting business operations, as well as maintaining compliance through continuous auditing and assessment.

By the end of this course, you will have the knowledge and confidence to design, evaluate, and implement Zero Trust strategies in real-world environments.

Whether you are a cybersecurity professional, IT practitioner, or someone looking to advance your expertise in modern security architecture, this course equips you with the tools and insights needed to protect systems, data, and users in an increasingly complex digital world.

Thank you

Who this course is for:

Beginners who want to start a career in cybersecurity and learn modern security approaches
IT professionals looking to upgrade their skills with Zero Trust concepts and architecture
Cybersecurity analysts and engineers who want to implement Zero Trust in real-world environments
Network administrators seeking to move beyond traditional perimeter-based security
Cloud and system engineers interested in securing modern, distributed infrastructures
Security architects and professionals who want to design and evaluate Zero Trust strategies
Managers and decision-makers who need to understand Zero Trust for organizational security planning
Anyone interested in understanding how modern organizations protect systems, users, and data in today’s threat landscape

Zero Trust Security: Design and Implement Cyber Defense

What you'll learn

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Course content

The Foundations of Zero Trust Security Lecture6 lectures • 28min

The Core Pillars of Zero Trust Architecture6 lectures • 26min

Frameworks and Architectural Models6 lectures • 27min

Strategic Implementation and Governance6 lectures • 28min

Requirements

Description

Who this course is for: