🍎How to Learn Cyber Security from Scratch – On my Own


How to Learn Cyber Security from Scratch - On my Own
How to Learn Cyber Security from Scratch – On my Own

What is cyber security?

Cyber Security, is where you should safeguard computers, electronic systems, networks, servers, mobile devices, and data from malicious attacks from hackers.

What is Hacking?

Hacking is a practice where hackers bypass all the verification to achieve their needs. For example, there is an e-commerce website called www.xyzStore.com and hacker is able to delete things from person B’s shopping cart. Now deleting products from another person’s cart is an unintended behaviour by the application. This procedure is known as hacking.

It is a really basic example of a hacking, in real-world, there are much more dangerous and destructive hacks.


Types of Hackers


White Hat Hackers

More commonly known as Ethical Hackers. What you all should try, They are the security researchers with the good intention of making cyberspace a better place for everyone. They are authorized by the organizations to hack into their systems and perform penetration testing so that they can find vulnerabilities and loopholes and secure them. These are the good guys.


Black Hat Hackers

These are the bad guys who are always on the opposite side of Whitehat Hackers. They find loopholes in the computer systems and penetrate them without the permission of the individual/organization to whom the computer system belongs. They majorly hack for getting money by compromising technology as well as humans. These are the dangerous guys who can destruct the websites and get personal information like passwords, credit card details, etc.


Gray Hat Hackers

As the name suggests, they are not on side of good guys or the bad guys, they fall somewhere in between. These hackers hack into the computer network without permission however unlike Black Hat Hackers they do not use the information for their own benefits, rather they defame the website after hacking for fun, or they provide the gained information to someone else.

Also, there are many types like Blue Hat Hackers, Green Hat Hackers, Red hat hackers, etc…


Basics knowledge to begin Cyber security?

  1. General Computer Knowledge

  2. macOS / Windows

  3. Computer Networking

  4. Programming

  5. Linux and Bash

  6. Fundamental English


You don’t need all the master knowledge of all of them. You just need a decent basic knowledge of the above topics.

Disclaimer: All rights belong to the original owners.



1. General Computing: CPU, RAM, SSD/HDD, Threads, Processes, Caching, Buffers

2. Computer Networking: OSI Model, TCP/IP Model, TCP v/s UDP, Packet capture and analysis, DNS, ARP, Subnets, VLANs

3. Computer Programming: Python/C, Bash, PowerShell, C++, Basic CMD Commands

4. Windows: You probably have been using windows for a long time now, but still you need to learn some major topics like DLL, .msi, .ps1, Tokens, Memory Paging

5. Linux: CLI Navigation, FTP, SSH, telnet, repositories, GitHub, familiarity with more than one Linux distro, and lastly Linux commands and bash scripting

6.Clear Motivation and Urge to Learn: This point is kind of self-explanatory, but I will add somethings here anyway.


There is no short time achievement. Money should not be a motive to join this field. This is a daily learning process. Here how much time & effort you put like that results will come. Outside, there is a great demand for hackers, programmers and other IT Professionals. And there are fewer people in this field.


Also Read: 10 coding-based movies on Netflix, Amazon Prime Video, Disney+ Hotstar


Where to get Cyber Security for free 100%

1. Google (): Yeah not kidding, it is the best way to learn something. Just try googling anything you need to learn. Down below I have mentioned some of blogs & websites. You can also check them.

2. edX (), Coursera (), YouTube (): Pretty straightforward, free and open-source ways to learn something. I have listed some of the best youtube channels to learn cyber security.

3. Udemy (): As I mentioned, start with free and cheap low-level courses, so Udemy is a good option. I have read & Selected some of best courses to learn.

4. GitHub (): This is not a proper resource but people have compiled learning resources for everything here, so start the search for what you need like this :
learn python GitHub, learn windows GitHub, learn anything GitHub. Best open source to get Cybersecurity & hacking knowledge.

5. PDF Drive (): Website to download PDF for books on a lot of topics including those in cyber security. Get free pdf & ppt for Cyber security & hacking. 


Most Important things in Cyber Security for free

How to Learn Cyber Security from Scratch - On my Own
cyber security jobs, cyber security ppt, cyber security in india, cyber security salary, cyber security pdf,


1. COMPUTER BASICS: You only research about it yourself.

2 MAC & WINDOWS: Best youtube channel to learn for basic os/windows is (Geek’s Lesson)

Best youtube channel to learn for basic of macOS (Tech Talk America).

3 COMPUTER NETWORKING: Best youtube channel to learn Start with COMPUTER NETWORKING (Geek’s Lesson), it is enough to get you started.

Best Certificate for COMPUTER NETWORKING (Network+)
But you don’t have to take (CCNA) unless you want to become a network admin.

4 PROGRAMMING: Best youtube channel to learn for basic Python (Clever Programmer),
Best youtube channel to learn for basic C (freeCodeCamp.org),
Best youtube channel to learn for basic C++ (Caleb Curry),
Best youtube channel to learn for basic PowerShell (John Savill)
Best youtube channel to learn for basic LINUX & BASH: Linux (Joseph Delgadillo),
Best youtube channel to learn for basic BASH (linuxhint)


All this is for Basic skills. If you want more skills and certification try (CEH ) & If you need more skills and certs, you can get (PWK ) and (CTP).


6. ENGLISH: Best Course to learn English (English for Career Development) course from Coursera is awesome for people struggling with the English language. It is free for all. Just select free to audit option in the course.


There is no limit for learning: you should learn & explore more and more by yourself 😀


Knowledge on Binary exploitation and Reverse Engineering







Also Read: Jagdish Chandra Bose – The father of WiFi? and 5G Technology

Cyber Security Jobs in India

  • Network Security Engineer
  • Cyber Security Analyst
  • Information Security Analyst
  • Lead Software Security Engineer
  • Chief Information Security Officer (CISO)
  • Penetration Tester
  • Information Security Crime Investigator/Forensics Expert


Important Cyber Security Certifications to get for Jobs

1. CEH: Certified Ethical Hacker. This is a basic-level certification. You can register for it by the below link. Click Here

2. OSCP: This is by Offensive Security. Little harder than CEH certification. You can register for it by the below link. Click Here

3. CompTIA Security+: It requires two years to complete the full course. Click Here

4. ECSA: EC-Council Certified Security Analyst this is given by EC-Council, next level of CEH (Certified Ethical Hacker). Click Here

5. CISA: Certified Information Systems Auditor.

6. CCNA: Cisco Certified Network Associate Security.


Many are there but, Certificate is only for the paperwork. If you have correct knowledge of Cyber security & problem-solving. You don’t need to pay for these expensive Cyber security Certifications.


Best Cyber Security internships in India for beginners

SL.NoCompany NamePlace Of work
1Cloud Security Synconext Technologies Private LimitedBangalore
2Cyber Security BDO India LLPMumbai
3Cyber Security Reach Technologies Work From Home
4Teaching (Cyber Security) Unschool Work From Home
5Cyber Security Paralok Information Security Private Limited Hyderabad

You can log in to the Internshala website To get more Information & other jobs related to Cyber security in India.


Cheap and best Cyber Security course in India

1. Master Certificate in Cyber Security (Red Team) – Jigsaw Academy & HackerU

2. PGP in Cybersecurity – Praxis Business School

3. Cybersecurity Certification Course – Edureka

4. Post-Graduation Program in Cybersecurity – IIDT

5. Stanford Advanced Computer Security Program – Great Learning

6. Cyber Pro Track – PurpleSynapz

7. Certified Information Security Consultant – Institute of Information Security


Top 10 Cyber Security Jobs & Salaries lists

Cyber Security JobsAverage Salary
Security Analyst₹487,397
Information Security Analyst₹539,300
Cyber Security Analyst₹584,635
Security Consultant₹884,754
Certified Ethical Hacker (CEH)₹487,957
Ethical Hacker₹500,034
Information Security Manager₹1,932,475
Security Engineer₹650,000
Cyber Security Engineer₹564,382
Senior Security Consultant₹1,165,619


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