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Cybersecurity Course
More than 2 million learners worldwide

Cybersecurity Course

4.3

Master the full spectrum of cybersecurity — from network defense and cryptography to ethical hacking and risk strategy. This course gives you the technical depth and strategic thinking employers demand. Whether you're breaking into the field or leveling up, you'll finish ready to protect real systems and lead real teams.

Dedika for businesses

What you will learn:

You will build a complete cybersecurity skill set covering threat analysis, network security, cryptography, identity management, and incident response. You will learn how to conduct penetration tests, harden systems, and manage vulnerabilities across enterprise environments. The course covers cloud security, application security, and operational technology environments. You will also develop skills in threat intelligence, digital forensics, and security monitoring using industry-standard tools and frameworks. By the end, you will be equipped to assess risk, communicate findings to leadership, and contribute to a mature security program.

How you study in a practical way Cybersecurity Course

How you practice Cybersecurity Course

For companies who want to train their team

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Cybersecurity

  • Lesson 1 • Core Security Concepts and Terminology

    Introduces the CIA triad, authentication, authorization, and non-repudiation. Provides the vocabulary needed for all subsequent chapters.

  • Lesson 2 • Roles and Responsibilities in Security

    Defines security team roles, governance structures, and stakeholder accountability. Clarifies how individual roles contribute to overall defense.

  • Lesson 3 • The Cybersecurity Threat Landscape

    Maps current attacker categories, motivations, and common attack vectors. Contextualizes why security controls are necessary.

  • Lesson 4 • Security Frameworks and Standards

    Surveys widely adopted security frameworks and compliance models. Connects framework adoption to organizational risk reduction.

Chapter 2See details

Networking and Protocol Security

  • Lesson 1 • Traffic Analysis and Packet Inspection

    Teaches packet capture, protocol dissection, and anomaly identification using analysis tools. Develops hands-on skills for network forensics.

  • Lesson 2 • Firewalls, IDS, and IPS

    Explains stateful and next-generation firewall operation, intrusion detection, and prevention systems. Ties each control to specific threat scenarios.

  • Lesson 3 • Network Architecture Fundamentals

    Covers OSI and TCP/IP models, subnetting, and segmentation design. Establishes the structural knowledge required for protocol analysis.

  • Lesson 4 • Core Protocol Vulnerabilities

    Examines weaknesses in DNS, ARP, HTTP, and routing protocols. Connects protocol flaws to real-world attack techniques.

  • Lesson 5 • Secure Network Design Principles

    Applies zero-trust, least-privilege, and defense-in-depth to network architecture. Prepares students to design resilient network environments.

Chapter 3See details

Cryptography and Data Protection

  • Lesson 1 • Cryptographic Fundamentals

    Introduces symmetric, asymmetric, and hashing algorithms with their mathematical basis. Establishes the foundation for applied cryptography topics.

  • Lesson 2 • Public Key Infrastructure

    Explains certificate authorities, certificate lifecycle, and trust chains. Connects PKI to secure communications and identity verification.

  • Lesson 3 • Key Management and Lifecycle

    Addresses key generation, storage, rotation, and destruction best practices. Ensures students can maintain cryptographic integrity over time.

  • Lesson 4 • Cryptographic Attacks and Weaknesses

    Analyzes brute-force, side-channel, and protocol downgrade attacks. Prepares students to identify and mitigate cryptographic vulnerabilities.

  • Lesson 5 • Encryption in Transit and at Rest

    Covers TLS/SSL configuration, disk encryption, and database encryption strategies. Applies cryptographic controls to common data storage and transmission scenarios.

Chapter 4See details

Identity and Access Management

  • Lesson 1 • Authentication Mechanisms

    Covers password policies, multi-factor authentication, and passwordless methods. Establishes the first line of defense in identity security.

  • Lesson 2 • Access Control Models

    Explains DAC, MAC, RBAC, and ABAC models with practical use cases. Connects model selection to organizational security requirements.

  • Lesson 3 • Federated Identity and SSO

    Covers SAML, OAuth 2.0, and OpenID Connect for cross-domain identity. Enables students to implement secure single sign-on architectures.

  • Lesson 4 • Privileged Access Management

    Addresses just-in-time access, privileged account vaulting, and session recording. Reduces risk from high-privilege credential compromise.

  • Lesson 5 • Identity Governance and Lifecycle

    Covers provisioning, access reviews, and de-provisioning workflows. Ensures access rights remain aligned with current roles and responsibilities.

Chapter 5See details

Offensive Security and Ethical Hacking

  • Lesson 1 • Vulnerability Scanning and Analysis

    Teaches automated scanning, manual verification, and false-positive triage. Connects scan results to prioritized remediation planning.

  • Lesson 2 • Exploitation Techniques

    Covers common exploitation frameworks, payload delivery, and privilege escalation. Develops practical skills for authorized attack simulation.

  • Lesson 3 • Penetration Testing Methodology

    Defines scoping, rules of engagement, and structured testing phases. Establishes the ethical and procedural framework for all offensive activities.

  • Lesson 4 • Web Application Attacks

    Examines injection, broken authentication, and SSRF vulnerabilities in web apps. Prepares students to test and secure web-facing applications.

  • Lesson 5 • Post-Exploitation and Reporting

    Covers data exfiltration simulation, cleanup, and professional report writing. Ensures findings are communicated clearly to technical and executive audiences.

  • Lesson 6 • Reconnaissance and OSINT

    Covers passive and active information gathering using open-source intelligence. Builds skills for mapping attack surfaces before exploitation.

Chapter 6See details

Defensive Security and Hardening

  • Lesson 1 • Endpoint Detection and Response

    Explains EDR agent deployment, behavioral detection, and threat hunting on endpoints. Extends defense beyond signature-based antivirus.

  • Lesson 2 • Security Configuration Management

    Teaches configuration drift detection, compliance scanning, and remediation automation. Maintains consistent security posture across large environments.

  • Lesson 3 • Patch and Vulnerability Management

    Addresses patch prioritization, testing pipelines, and remediation tracking. Connects timely patching to measurable risk reduction.

  • Lesson 4 • Email and Web Security Controls

    Covers anti-phishing gateways, URL filtering, and email authentication protocols. Addresses the most common initial access vectors.

  • Lesson 5 • Operating System Hardening

    Covers baseline configuration, unnecessary service removal, and audit policy setup. Reduces OS-level attack surface on Windows and Linux systems.

Chapter 7See details

Security Monitoring and Incident Response

  • Lesson 1 • Incident Communication and Escalation

    Addresses stakeholder notification, escalation thresholds, and regulatory reporting obligations. Ensures timely and accurate communication during incidents.

  • Lesson 2 • Log Management and SIEM

    Covers log source onboarding, normalization, and correlation rule creation. Establishes centralized visibility as the foundation for detection.

  • Lesson 3 • Threat Detection and Alerting

    Applies behavioral analytics, threat intelligence feeds, and detection engineering. Translates threat knowledge into actionable detection logic.

  • Lesson 4 • Incident Response Lifecycle

    Defines preparation, identification, containment, eradication, and recovery phases. Provides a repeatable process for managing security incidents.

  • Lesson 5 • Digital Forensics Fundamentals

    Covers evidence acquisition, chain of custody, and forensic analysis techniques. Supports investigation integrity and legal admissibility of findings.

Chapter 8See details

Risk Management and Security Strategy

  • Lesson 1 • Compliance and Regulatory Alignment

    Maps security controls to data protection, financial, and critical infrastructure requirements. Enables organizations to demonstrate compliance without duplicating effort.

  • Lesson 2 • Security Metrics and Reporting

    Teaches KPI selection, dashboard design, and trend analysis for security programs. Translates technical data into business-relevant performance indicators.

  • Lesson 3 • Business Continuity and Resilience

    Covers BCP, DRP, and resilience testing to maintain operations under adverse conditions. Aligns security strategy with organizational continuity objectives.

  • Lesson 4 • Security Program Governance

    Defines policy hierarchy, security committee structures, and board-level reporting. Connects security operations to organizational governance.

  • Lesson 5 • Risk Assessment Methodologies

    Covers qualitative and quantitative risk assessment, asset valuation, and threat modeling. Provides the analytical tools for informed security investment decisions.

Certification

Your valid completion certificate

This course is for you:

  • IT support professional: ready to pivot from fixing problems to preventing them.

  • Career changer: drawn to security and committed to building real technical credibility.

  • Junior sysadmin: managing infrastructure but wanting a defined security specialization.

  • Compliance analyst: handling audits and policies but lacking deep technical grounding.

  • Developer: writing code daily and needing to understand how attackers exploit it.

  • Security hobbyist: self-taught and looking to formalize scattered knowledge into expertise.

What our students say

Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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