Cyber Security Fundamentals

Cyber Security Fundamentals

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1. Introduction to Cyber Security

Discover the essentials of cybersecurity in this section, where we unravel the core concepts. Gain insights into digital threats and learn how to safeguard your online presence. Get ready for a straightforward exploration of the cyber world!

What is Cybersecurity?

Common Cyber Threats

DoS and DDoS attacks

Challenge: Check Password Strength

2. Web Cyber Security

Dive into the dynamic realm of Web Cyber Security, where we demystify the intricate layers of the OSI (Open Systems Interconnection) model. Uncover the vulnerabilities within each OSI block, gaining a profound understanding of the threats that lurk in the digital space. Explore the vital aspects of physical and software protection, arming yourself with the knowledge needed to safeguard web environments against potential risks and ensure robust cyber resilience.

Challenge: Check Website Web Protocol

Examples of Cyber Attacks

Password Hashing

Challenge: Creating Hash Function

Security Headers

Challenge: Extracting Security Headers From Website

3. Information Encryption

In the digital world, security is crucial to protect sensitive information. Encryption is key in this defense, ensuring data remains private and safe from unauthorized access. Now, we will explore the basics of information encryption, its methods, and its vital role in maintaining the integrity and privacy of digital communication.

What is Information Encryption?

Challenge: Implementing Caesar Cipher

Challenge: Implementing XOR Encryption

Conteúdo do Curso

Cyber Security Fundamentals

Cyber Security Fundamentals

Challenge: Creating Hash Function

Tarefa

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Now you will create a simple hash function:

Specify input_string and hash_size as arguments of the simple_mod_hash() function.
Use the modulo (%) operation to create a hash value inside the function.

Note

hash_size argument determines the number of possible hash values the function can generate, which is used to keep the hash value within a specific range.

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Seção 2. Capítulo 6

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Challenge: Creating Hash Function

Tarefa

Swipe to show code editor

Now you will create a simple hash function:

Specify input_string and hash_size as arguments of the simple_mod_hash() function.
Use the modulo (%) operation to create a hash value inside the function.

Note

hash_size argument determines the number of possible hash values the function can generate, which is used to keep the hash value within a specific range.

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Tudo estava claro?

Obrigado pelo seu feedback!

Seção 2. Capítulo 6

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