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Cyber Security Masterclass - All about IT Security (Udemy.com)

Based on CompTIA Security+, this course is an IT Security Masterclass that will help you to dominate Cyber Security

Created by: Henrique Centieiro

Last updated March 2026

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What you will learn

  • Cybersecurity principles
  • CIA and AAA of security
  • IAM
  • Logging and Monitoring
  • Incident Detection and Response
  • Application Architecture and Infrastructure
  • System Resilience
  • Infrastructure Security
  • Social Engineering attacks
  • Secure Protocols

How it compares

Against the other 523 rated Udemy courses in Hacking on CourseDuck:

  • Rating4.4 out of 5higher than 33% of them
  • Reviews95#454 of 524 by number of reviews
  • Length6.5 hourslonger than 57% of them
  • Last updatedMarch 2026more recently than 65% of them

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Course Description

Description

The objective of this course is to turn you into a cyber security specialist in under 8 hours.

Do you want to start a cyber security career?

Do you want to improve your cyber security skills?

Do you want to improve the IT security of your organization?

Do you want to review and pass the CompTIA Security+ exam?

THIS IS THE RIGHT CYBER SECURITY COURSE FOR YOU!

  • Learn what are the Cyber Security principles

  • How to measure security risks

  • The best Identity and Access Management to keep your users safe

  • Improve your password management and keep your passwords secure

  • Learn what is MFA

  • Learn how to keep away hackers and social engineering from getting sensitive files, emails, or access to your computer or network

  • Learn about cyber security awareness

  • Apply the most secure IT protocols and encryption methods

  • Keep your data protected with encryption

  • Learn about network models and IP models

  • Learn everything about Cryptography, Hashing and Digital Signatures

  • Learn how RSA and ECDSA works

  • Keep your infrastructure more secure

  • Data encryption

  • Prevent DDoS attacks

  • Learn about the different types of malware

  • Social engineering attacks and hot to prevent them

  • Phishing

  • Logging and monitoring tools

  • Improve your system resilience

  • Application Architecture and Infrastructure

  • The different types of cloud models: IaaS, PaaS, FaaS and SaaS

  • What is a VPC

  • Firewalls

  • Testing your applications for security

  • Learn how to securely develop an application

  • Learn how to respond to incidents

This course has over 6 hours of video plus 55 questions that will help you to better understand Cyber Security. If you are looking to take the Comptia Security+ exam, this will also be a good help.


This complete Cyber Security Course includes the following topics:

  • Cybersecurity Principles

  • The CIA triad

  • The AAA of security

  • Non-repudiation

  • Measuring risks

  • Governance and Procurement

  • Secure Protocols

  • Network Models

  • OSI vs TCP/IP Model

  • TCP/IP Model

  • Transport Protocols

  • IP Models

  • Application protocols and ports

  • Cryptography, hashing and digital signatures

  • Consensus mechanisms

  • Hashing

  • Digital signatures

  • Multi-signatures

  • Random numbers

  • Prime numbers

  • RSA

  • ECDSA

  • Quantum Computing

  • Infrastructure Security

  • Data Encryption

  • Denial of Service

  • Man-in-the-middle attack

  • Attacking applications

  • Malware

  • Virus

  • Adware

  • Spyware

  • Trojan horses

  • Ransomware

  • Logic Bombs

  • Rootkit and backdoors

  • Polymorphic Malware, Keyloggers and Armored Viruses

  • Social engineering attacks

  • Logging and Monitoring

  • System Resiliency

  • Redundancy

  • Backups

  • Snapshots

  • High Availability

  • Disaster Recovery

  • Infrastructure hardening

  • Application Architecture and Infrastructure

  • Cloud models

  • VPCs

  • NACLs

  • Network Firewalls

  • Testing your application

  • Testing your infrastructure

  • Other security practices

  • Secure DevOps

  • Secure Development and Deployment

  • Incident Detection and Response

  • Contingency Planning

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Udemy Discount

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Instructor Details

Henrique Centieiro

Hey students!

I'm Henrique Centieiro — a Hedge Fund Manager at Maverick Capital and wealth educator with 20+ years of experience in investing and finance.

I've created 17+ courses on investing, blockchain, cryptocurrency, DeFi, AI, vibe coding, NFTs, the metaverse, and cybersecurity — teaching over 65,000 students so far.

My goal is simple: turn you into a confident, educated investor and keep you ahead of the curve on the technologies shaping the future.

A bit about my background:
• Hedge Fund Manager at Maverick Capital with 20+ years of investing experience
• Best-selling author of 3 blockchain-themed books
• 10+ years of hands-on blockchain and cryptocurrency experience
• 7+ years teaching blockchain, fintech, AI, and investing — including at universities and major institutions
• Guest speaker at major blockchain, crypto, and fintech events
• Executive Certificate in Blockchain & Fintech from The University of Hong Kong
• Certified Blockchain Developer, Blockchain Architect, Corda Developer, AWS Architect, AWS Developer, SysOps Admin & Scrum Master

Let's build some real knowledge and wealth together!

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Reviews

4.4

95 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Otto Vestmann Gudjonsson on 1/30/2026

Very good review of the responsibility for Cybersecurity.

By Nishant Gupta on 12/26/2024

Q&A required more knowhow and topics which were not covered in detail.

By Anthony Houssa on 12/11/2023

This course was EXACTLY what I was expecting: refresh and enhance my security knowledge with clear explanations and no detailed practice that don't apply to me. Thank you very much Henrique!

By Nicola DeCarlo II on 11/8/2023

Awesome Instructor! Great course! The class is way more in depth then the review video shows,Even the course description didnt do the actual course justice! TAKE THIS COURSE!✌️

By Mohammad Ghazali Mohamed on 9/4/2023

A good start for me to deep dive into the world of cybersecurity.

By Ray umer Farooq on 8/12/2022

its basic ,but no cyber Security module zet like i just waste my time.....its all are theortical no practile,,,,ip,application port all things i read in my Bachelor join this course for some advance learning but its all aboout things Definition which easly availble on youtube and google, just for certifictae its not worthy

By Ronaldi Rosales on 6/5/2022

Great content. Henrique is definitely very knowledgeable but more importantly has a very nice approach to make each and every lesson easy to understand. Definitely added value to my day to day at work

By Thabet Alhafez on 6/5/2022

very highly recommended course if you are looking to develop your IT Security career , the way of teaching + the examples were very professional and easy to follow. Very professional instructor full of energy with a great experience. Thank you

By A Ramesh on 2/15/2022

Recommended course for beginners. Got very good knowledge and insights about cybersecurity and i believe it would greatly help in my career. Thanks a lot sir and thanks a lot to Udemy

By Sadie Powell on 1/9/2022

most of the topics are a refresher to me. But explained in a more down to earth way that I can use in everyday life. Most instructors in a college setting do not go into this much detail that is easy to follow. This class is turning out better than I expected This class is helping me advance my Cyber Security and I am so glad that I found this course and I enjoy learning from Henrique Centieiro Thank You for the opportunity to learn from you

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Overall Score : 88 / 100