Cyber Security Tutorial

Cyber security is the process of using best practices to protect computers, servers, systems, networks and programs from digital attacks such as viruses, worms, ransomware and other threats aimed at accessing, changing or destroying sensitive data, extorting money from users or interrupting normal business processes.

• Identify and fix security vulnerabilities.
• Prevent unauthorized access and data breaches.
• Protect systems from malicious attacks and disruptions.
• Ensure confidentiality, integrity and availability of information.

Basics

Covers core concepts like CIA triad, attacks, threat actors, industry trends and lab setup using Windows and Kali Linux.

• Introduction
• Applications
• CIA Triad
• Security Attacks
• Introduction to Hacker
• Understand Threat Actor
• Salary Trends & Market
• Installing Windows 11 on Virtual Box
• Installing Kali Linux in VirtualBox

Cyber Threats & Attackers

Cyber threats are attempts to damage, disrupt or gain unauthorized access to systems and data. This section covers cybercrimes, attacker behavior and common attack techniques.

• Cyber Crimes
• Social Engineering
• Cyber-stalking
• Botnets
• Attack Vector
• Malware
• Phishing
• Identity Theft

Cybersecurity Evolution & Objectives

Covers the evolution of cybersecurity along with frameworks, metrics and protection of critical infrastructure.

• History of Cyber Security
• Cybersecurity Metrics
• Security Management System
• Cybersecurity Frameworks
• Cyber Security in Critical Infrastructure

Networking & System Foundations

This section covers the fundamental technologies behind modern digital systems, including computer networks, protocols, wireless systems, web technologies and cloud platforms.

• Introduction of Computer Networking
• Layers of OSI Model
• Segments, Packets and Frames
• Network Protocols
• Types of Network Protocols
• Types of Internet Protocols
• Email Protocols
• Dynamic Host Configuration Protocol (DHCP)
• Domain Name System (DNS)
• Wireless LAN Basics
• Cloud Computing Security

Network Security Fundamentals

Learn the foundational concepts of network protection, covering segmentation, access control and monitoring for secure communication.

• Introduction
• Network Segmentation
• Implementation of Wireless Network Segmentation
• Network Access Control
• Introduction of Firewall
• Types of Network Firewall
• Network Address Translation (NAT)
• Proxy Server

Traffic Analysis & Monitoring

Explore how to capture, inspect and analyze network packets with Wireshark to detect threats and troubleshoot issues.

• Introduction to Wireshark
• Packet Capturing and Analyzing
• Display Filters in Wireshark
• Network Traffic Analysis

Cryptography & Access Control

This section includes encryption methods, digital signatures and identity management to ensure data confidentiality and authentication.

• Introduction
• Symmetric & Asymmetric Encryption
• Public Key Infrastructure
• Digital Signature
• User Access Management

Applied Cryptography & PKI

This section includes encryption methods, digital signatures and identity management to ensure data confidentiality and authentication.

• Introduction
• SSL/TLS and Digital Security
• Identifying Hashes, Ciphers & Steganography

Cyber Attack Techniques

Details common attacks on systems, networks and web applications like SQL injection, DoS/DDoS and SSRF.

System & Application Attacks

These attacks target software flaws or input validation gaps.

• SQL Injection
• Password Cracking
• Reverse Engineering

Network Attacks

Targeted at intercepting, manipulating or overwhelming data transmissions.

• DoS & DDoS Attacks
• Network Attacks

Web Attacks

Exploit misconfigurations, outdated server software or known CMS vulnerabilities (like WordPress plugins).

• Web Server Attacks
• Server Side Request Forgery (SSRF)
• Server-Side Template Injection

Authentication and Integrity Mechanisms

This section covers hash functions, MACs, digital signatures and authentication protocols used to protect data from tampering.

• Message Authentication
• Message Authentication Codes
• Hash Functions
• Hash Functions in System Security
• Secure Hash Algorithm
• Whirlpool
• HMAC
• Authentication Protocols

Authentication Applications

Here, Real-world authentication systems such as Kerberos, X.509, MFA and SSO that are used to securely manage user access and identity in modern applications.

• Kerberos
• X.509 Authentication Service
• Multifactor Authentication
• Single Sign On (SSO)

Cyber Defense & Protection

This section includes backup strategies, secure coding practices, vulnerability assessment, penetration testing and tools like IDS/IPS to detect and prevent attacks.

• System Backup
• Secure Coding
• Security Assessments
• Vulnerability Assessment (VA)
• Penetration Testing
• Security Testing Tools
• Intrusion Detection System (IDS)
• Intrusion Prevention System (IPS)

Cyber Laws & Ethics

Explains legal, ethical and policy aspects of cybersecurity including IT laws and privacy.

• Cyber Ethics & Privacy
• Ethical Hacking
• IT Act
• Intellectual Property in Cyberspace
• Cybersecurity Policy

Secure Communication Systems

This section focuses on securing data while it's in transit across email, web and network layers.

Email Encryption Standards

These techniques protect emails from being intercepted or altered.

• Pretty Good Privacy
• S/MIME

Network Security

Protects the underlying network data before it reaches the app layer (VPNs, secure LANs, etc ).

• IP Security (IPSec)
• Authentication Header
• Encapsulating Security Payload

Web Security

Secures websites, online payments and browser-server communication.

• Secure Socket Layer
• Transport Layer Security
• Secure Electronic Transaction

Cyber Forensics & Evidence Handling

Introduces digital forensics processes, tools and techniques for evidence collection and analysis.

Foundations

In this we introduce the methodology and structured lifecycle of forensic investigations.

• Digital Forensics
• Phases of Computer Forensics Investigation Procedure
• Abstract Digital Forensic Mode
• Recovering Deleted Digital Evidence
• Challenges in Digital Forensics

Tools

Tools enable practical analysis of systems, storage and memory during investigations.

• Analysis of Data Source Using Autopsy
• Kali Linux

Domains

Different systems require unique forensic approaches based on their structure and use cases.

• Network Forensics
• Computer Forensics and Steganography
• Mobile Forensics
• Windows Forensic Analysis

Cyber Crime Investigation Process

Explains how cybercrime investigations are conducted, including evidence handling and reporting.

• Introduction
• Digital Evidence Collection
• Evidentiary Reporting
• Investigating Phishing Cases

Cyber Security Interview Questions

• Interview Questions with Answers

Related Articles

• Top Cybersecurity Trends
• Cyber Security Roadmap
• Cyber Security Certificates