Courses TRB CSI Cyber Security

Cyber Security

5 units 26 chapters 26 topics

Cyber Crime

3 chapters 3 topics 43 min

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Introduction to Cybercrime

Cybercrime is any unlawful activity in which a computer, digital device, network, or the Intern…

12 min
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MALWARE TYPES

Malware = Malicious Software Malware என்பது user permission இல்லாமல் system-ல்: Damage செய்ய Da…

13 min
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KINDS OF CYBERCRIME

Kinds of cybercrime are the different categories of illegal activities carried out using comput…

18 min

Cyber Security Techniques

6 chapters 6 topics 1h 42m

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AUTHENTICATION

Authentication is the process of verifying the identity of a user, device, or system before gra…

15 min
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ENCRYPTION

Encryption is the process of converting plaintext into ciphertext using an algorithm and a key …

16 min
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DIGITAL SIGNATURES

A digital signature is a cryptographic technique used to verify the authenticity and integrity …

18 min
Free Beginner

Antivirus in Cybersecurity

Antivirus is a security software designed to detect, prevent, quarantine, and remove malicious …

15 min
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FIREWALLS

A firewall is a network security system that monitors and controls incoming and outgoing networ…

18 min
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STEGANOGRAPHY

Steganography is the technique of hiding secret information inside another ordinary-looking med…

20 min

Password Management

4 chapters 4 topics 1h

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GUIDELINES FOR SECURE PASSWORDS

A secure password is a strong and unique authentication secret that is difficult for attackers …

14 min
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TWO-STEP VERIFICATION

Two-Step Verification is a security process in which a user must successfully complete two veri…

15 min
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PASSWORD MANAGERS

A password manager is a security application that securely stores and manages login credentials…

18 min
antivirus use 1 topic

Free Beginner

Uses of Antivirus

Antivirus software is used to detect, prevent, isolate, and remove malicious software from a co…

13 min

Cryptography

9 chapters 9 topics 2h 50m

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SYMMETRIC CIPHER MODEL

Symmetric Cipher Model என்பது ஒரு encryption model. இதில்: Encryption செய்ய பயன்படுத்தும் key-ய…

12 min
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CRYPTOGRAPHIC SYSTEMS

Cryptographic System அல்லது Cryptosystem என்பது information-ஐ unauthorized persons படிக்கவோ, மா…

18 min
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SUBSTITUTION TECHNIQUES

Substitution Technique என்பது Classical Cryptography-ல் பயன்படுத்தப்படும் ஒரு encryption method…

22 min
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CAESAR CIPHER

Caesar Cipher என்பது ஒரு classical substitution cipher. இதில் plaintext-ல் உள்ள ஒவ்வொரு letter-…

17 min
mono-alphabetic and poly-alphabetic ciphers 1 topic

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1. Mono-alphabetic Cipher

1. Mono-alphabetic Cipher

21 min
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HILL CIPHER

Hill Cipher என்பது ஒரு classical polygraphic substitution cipher. இதில் plaintext letters-ஐ sin…

20 min
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STEGANOGRAPHY

Steganography என்பது ஒரு information hiding technique. இதில் secret message-ஐ encrypt செய்து un…

22 min
data encryption standards 1 topic

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DATA ENCRYPTION STANDARD (DES)

DES - Data Encryption Standard என்பது ஒரு symmetric key block cipher. இதில்: Encryption மற்றும்…

22 min
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STRENGTH OF DES

Strength of DES என்பது DES algorithm attacker-ன் cryptanalysis மற்றும் brute-force attacks-க்கு…

16 min

Attacks

4 chapters 4 topics 42 min

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DoS Attacks – Denial of Service Attacks

DoS - Denial of Service DoS attack என்பது ஒரு computer, server, website, network அல்லது online …

15 min
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Types of DoS Attacks

8 min
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Classification of DoS Attacks

DoS attacks-ஐ அவை எதை target செய்கின்றன, எப்படி resources-ஐ consume செய்கின்றன, எந்த layer-ல் a…

8 min
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Detection Techniques for DoS Attacks

DoS Detection Techniques என்பது network அல்லது server-ல் abnormal traffic, unusual request rate…

11 min