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Hardware, repair and security

Cyber security

Protect computers, networks and people’s data from hackers, scams and viruses, and help organisations recover when something goes wrong.

This could suit you if

  • You are curious about how things work and how they can break
  • You are honest and can be trusted with private information
  • You like learning all the time, because threats change every month
See the learning pathRelated courses
Two students writing code together on a laptop and a desktop computer

On this page

5
kinds of workplace
3
stages to 6 months
7
free ebooks

The work

What the work is

Cyber security people protect information. They set up systems safely, watch networks for attacks, find weak points before criminals do, teach staff to spot phishing, and respond when a computer is infected or data is stolen. Roles range from IT support with a security focus, to analysts who watch alerts, to ethical hackers who test systems with written permission.

It is a field you grow into. Strong basics in computers, networking, operating systems and a little programming come first; security skills are built on top of them.

Where people do this work

  • IT companies and security firmsSecurity operations centres, testing teams and consulting.
  • Banks and financial companiesProtecting customer accounts and payments.
  • Government and public bodiesPosts filled through their own official recruitment.
  • Businesses of every sizeIT teams that look after security alongside other work.
  • Training and awarenessTeaching students and staff to stay safe online.

A day at work

What a working day looks like

Every workplace is different, but a typical day goes something like this.

  1. Morning

    Check overnight alerts: unusual logins, blocked attacks, virus warnings. Decide which need action.

  2. Late morning

    Investigate one alert: a real attack or a false alarm? Write down what you found.

  3. Afternoon

    Apply updates, review user accounts and passwords, or run an approved scan for weaknesses.

  4. End of the day

    Write a short report in plain language, and read about the latest scams and security fixes.

Skills and tools

What you need to learn

The skills come first; the tools are how you use them. You do not need everything on day one.

Skills

  1. Computer and Windows basics, and the Linux command line
  2. Networking: IP addresses, ports, protocols, firewalls and Wi-Fi security
  3. How common attacks work: phishing, malware, weak passwords and social engineering
  4. Safe set-ups: updates, backups, two-factor authentication and strong passwords
  5. Some programming or scripting, such as Python
  6. Writing clear reports
  7. Ethics and the law: test only with written permission

Software to learn

  • Linux, in a virtual machine on your own computer
  • VirtualBox, to build a safe practice lab
  • Wireshark, to see traffic on your own network
  • Nmap, used only on systems you own or have permission to test
  • Password managers and two-factor authentication apps

Practice

  • Legal practice labs and beginner capture-the-flag (CTF) challenges such as picoCTF
  • A home lab of old computers or virtual machines

Work safely

  • Breaking into, or even "just testing", any computer, account or network without written permission is a crime under the Information Technology Act
  • Practise only in your own lab or on legal practice platforms
  • Never download hacking tools from untrusted websites: many contain malware

Learning path

Your first six months, step by step

A realistic plan if you practise most days, at a course or at home. Go at your own pace: the order matters more than the speed.

  1. Step 1 · First month

    Strong basics

    • Computer fundamentals, Windows settings and file systems
    • Networking basics: IP, DNS, routers and ports
    • Secure your own accounts: strong passwords, two-factor authentication, updates
    • Recognise phishing messages and fake websites
  2. Step 2 · By 3 months

    A safe lab of your own

    • Linux in a virtual machine, and basic commands
    • How common attacks work and how they are stopped
    • Python for small scripts
    • Beginner CTF challenges on legal platforms
  3. Step 3 · By 6 months

    Show your skills

    • Firewalls, Wi-Fi security, backups and recovery
    • Wireshark and Nmap in your own lab, with a write-up of what you learned
    • A weekly read of security news, summarising one incident
    • A cyber safety session for your family or class

Practice plan

Practise and build a portfolio

Employers and customers want to see what you can do. Build these as you learn, and keep them neat: they speak for you in an interview.

  1. 1

    Lab write-ups

    Short reports on work in your own lab: the goal, the steps, what you found and how to fix it.

  2. 2

    CTF progress

    Challenges you solved on legal platforms, with notes on how.

  3. 3

    An awareness talk

    A presentation on phishing or UPI fraud that you gave at school or in your community.

  4. 4

    A home security check

    The checklist you used to secure your family’s devices and Wi-Fi, and what you changed.

Getting started

Finding a first job, or starting on your own

Most people start with a junior job or helper role and learn on the job; some build their own small business step by step.

Finding your first job

  1. Many people start in IT support or networking and move into security after a year or two
  2. Look for internships with IT companies and security firms, and junior security operations roles
  3. Show your lab write-ups and CTF progress, with a GitHub or blog link
  4. Register on the National Career Service portal and well-known job websites
  5. Later, look at the security certifications employers name in their job notices

Starting on your own, safely

  • Offer basic security help to small businesses: updates, backups, strong passwords, Wi-Fi settings and staff awareness
  • Get written permission and agree exactly what you will check before you touch any system
  • Keep everything you see confidential

Stay safe

Never pay for a job

Fake job offers target people looking for their first job. A real employer never asks you for money.

Watch out for these in cyber security work

  • "Hacking courses" that promise to teach you to get into other people’s accounts: that is illegal, and many such courses are scams themselves
  • Offers to "receive and forward payments" through your bank account: this is money laundering, and you can be arrested for it

  • Never pay for a job

    A real employer does not ask for a registration fee, a security deposit, or money for a training kit, ID card or uniform before you join. If someone asks you to pay to get a job, it is a scam.

  • Be wary of easy-money messages

    Offers on WhatsApp or Telegram to earn by liking videos, writing reviews or doing "simple online tasks" are a common fraud. They pay a little at first, then ask you to deposit money for bigger tasks.

  • Check the employer is real

    Look for an office you can visit, an official email address and website, and people who have actually worked there. Search the company name with the word "fraud" before you go.

  • Guard your OTPs and documents

    Never share an OTP, bank PIN or password. Do not send scans of Aadhaar or PAN, or install a screen-sharing app, for anyone you have not checked.

  • Go to interviews safely

    Interviews should be in an office or a public place, in the daytime. Tell a family member where you are going, and leave if anything feels wrong.

  • If you are cheated, act fast

    Call the national cyber crime helpline 1930 straight away, report it at cybercrime.gov.in and tell your bank. The sooner you report, the better the chance of stopping the money.

1930

National cyber crime helplineCheated by a fake job or payment? Call 1930 straight away and report it at cybercrime.gov.in.

Interview tips

How to do well in the interview

  1. 1Expect questions on networking basics and how common attacks work
  2. 2Explain your lab projects clearly and honestly
  3. 3Show that you understand ethics and permission
  4. 4Talk about how you keep learning: news, labs and books
  5. 5Give clear, simple answers: security people must explain risks to non-technical staff

Learn at the institute

Related courses at Gurukul Technicals Institute

These courses teach skills on this page. For the duration, fees and batch timings, ask the head office or your nearest member centre.

All Programming & Web Development coursesAll Hardware & Networking coursesAsk which course suits you

Free ebooks

Free books to learn from

Free PDF ebooks for this line of work, to read on your phone or print.

All free ebooks

Questions about becoming a cyber security

Still have a question?

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Is ethical hacking legal?

Testing a system is legal only when its owner has given you written permission and you stay within what was agreed. Without permission it is a crime, whatever your intention. Practise in your own lab and on legal practice platforms.

Can I start cyber security straight after class 12?

You can start learning the basics at any age. Most entry-level security jobs expect a strong foundation in computers and networking, and many ask for a degree. A common route is IT support or networking first, then security.

Do I need to know programming?

Not for every role, but basic scripting, especially in Python, helps a lot with automating tasks and understanding attacks. Networking and operating systems matter even more at the start.

What should I do if someone in my family is cheated online?

Call the national cyber crime helpline 1930 at once and report at cybercrime.gov.in, then inform the bank. Quick reporting gives the best chance of stopping the money.

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