Open In App

Cyber Security Tutorial

Last Updated : 21 Apr, 2025
Comments
Improve
Suggest changes
Like Article
Like
Report

Cyber security, also known as information technology security, refers to the practice of protecting systems, networks, and programs from digital attacks. These cyber-attacks are usually aimed at accessing, changing, or destroying sensitive information, extorting money from users, or interrupting normal business processes. This cybersecurity tutorial covers basic and advanced concepts, specially designed to cater to both beginners/students and experienced working professionals.

Why is Cybersecurity Important? Every day, millions of cyberattacks occur worldwide, targeting individuals, companies, and even governments. According to reports, a cyberattack happens every 39 seconds, affecting everything from small websites to massive cloud infrastructures. With the rise of IoT devices, cloud storage, and AI-driven automation, cybersecurity is more critical than ever.

This cybersecurity free course helps you gain a solid introduction to the fundamentals of cybersecurity and explore a wide range of topics, including network security, cryptography, threat detection, and incident response.

Cybersecurity Tutorial

What is Cyber Security?

As we said in the introduction part that Cybersecurity is the practice of defending computer systems, networks, and data from malicious attacks and unauthorized access. It involves a range of technologies, processes, and practices designed to protect sensitive information, maintain data integrity, and ensure the availability of digital resources.

This includes implementing firewalls, encryption, intrusion detection systems, and antivirus software, as well as developing robust security policies and conducting regular vulnerability assessments. Cybersecurity also encompasses incident response, where experts identify, contain, and mitigate the impact of security breaches, and user education to prevent common threats like phishing and social engineering. In an increasingly digital world, effective cybersecurity is essential to safeguard personal information, corporate assets, and national security.

Cyber Security Tutorial

Prerequisites: Basic understanding of computer systems and networks is recommended but not required.

Introduction to Cyber Security

Cyber Technology

Cyber Ethics

Cyber Crimes

Cyber Crime Techniques

Keyloggers and Spyware

Prevention and Protection

Cyber Forensics

Cyber Crime Investigation

Cyber Law

Cybersecurity Evolution

Cybersecurity Objectives

Classical Encryption Techniques

Block Ciphers and the Data Encryption Standard

Advanced Encryption Standard

More on Symmetric Ciphers

Introduction to Number Theory

Public-Key Cryptography and RSA

Key Management: Other Public-Key Cryptosystems

Message Authentication and Hash Functions:

Hash and MAC Algorithms

Digital Signatures and Authentication Protocols

Authentication Applications

Electronic Mail Security

IP Security

Web Security

 Intruders

Malicious Software

Firewalls

Explore More: Check out our insightful cybersecurity news blogs for the latest trends, tips, and in-depth articles on enhancing your cybersecurity knowledge.

Other Important Resources

Cyber Security Certifications 2024

Here, we have listed top cyber security certifications with estimated cost and minimum qualifications. If you are looking to become a Cyber expert then, these are the must have certifications.

Certification Name Estimated Cost (INR) Estimated Cost (USD) Qualifications
CompTIA Security+ 5,320 70 None or minimal IT experience
Certified Ethical Hacker (CEH) 24,000 322 2-4 years of IT experience in security or related field
Certified Information Systems Security Professional (CISSP) 61,000 815 Minimum 5 years of cumulative paid experience in 2 or more CISSP domains
GIAC Security Essentials (GSEC) 76,000 1,013 1-2 years of IT experience
Certified Information Systems Auditor (CISA) 40,000 533 5 years of experience in information security auditing, control, assessment, or related field
(ISC)² Certified Secure Software Security Professional (CCSP) 64,000 853 Minimum 5 years of cumulative paid experience in 1 or more CCSP domains
(ISC)² Certified Authorization, Configuration, and Provisioning Specialist (CCAPS) 64,000 853 4 years of cumulative paid experience in IT security, IAM, or related field
Certified Information Security Manager (CISM) 53,000 707 Minimum 5 years of cumulative paid experience in information security management or related field
Project Management Institute – Security Fundamentals (PMI-Sec) 36,000 480 PMP certification or relevant project management experience
Certified Cloud Security Professional (CCSP) 48,000 640 5 years of cumulative paid experience in IT security, 3 years in cloud security

Cyber Security Interview Questions

Conclusion

This Cyber Security Tutorial has provided you with the basics to protect your digital assets. By understanding threats and using the right defenses, you can keep your data and systems secure. Stay updated and keep learning to handle new cyber threats. Whether you’re just starting out or looking to improve your skills, this guide is a helpful resource for cyber security.



Article Tags :

Similar Reads