Banks, government agencies, telecom companies and online services face cyberattacks every day. That's why demand for cybersecurity specialists keeps growing. The field is exciting, fast-moving and full of responsibility, but beginners usually ask the same question: "Where do I start if I have no IT experience?" In this article we lay out a realistic, step-by-step path into cybersecurity from scratch.
What is cybersecurity?
Cybersecurity is the practice of protecting computer systems, networks, software and data from unauthorized access, theft and damage. It isn't a single job but a broad field. It includes penetration testers who simulate attacks, SOC analysts who monitor threats in real time, incident responders who investigate breaches, GRC specialists who build security policies, and many other roles.
Can you learn cybersecurity from scratch?
Yes, but there's one important point: cybersecurity is built on top of IT. To protect a system, you first need to understand how it works. Without understanding networks, operating systems and web technologies, you can't make sense of attacks or defend against them. So for beginners, the path starts with IT fundamentals.
Step 1: Networking basics
Most attacks travel over the network. At this stage, learn:
- • The OSI and TCP/IP models
- • IP addresses, ports and protocols (TCP, UDP, HTTP, DNS)
- • The roles of routers, switches and firewalls
- • Analyzing network traffic with Wireshark
CCNA-level preparation gives you a very strong foundation here.
Step 2: Operating systems — Linux and Windows
A cybersecurity specialist should be comfortable in both. Linux is the platform where most security tools run, while Windows is the most widespread system in corporate environments. Learn to work with the file system, users and permissions, processes, services and logs. Knowing the basics of Active Directory in Windows environments is also a big advantage.
Step 3: Core security concepts
Once your technical foundation is in place, you can move on to security itself:
- • Confidentiality, integrity and availability (the CIA triad)
- • Types of malware: viruses, trojans, ransomware
- • Phishing and social engineering
- • Encryption, hash functions and digital certificates
- • Authentication, authorization and multi-factor authentication
- • The most common web vulnerabilities (OWASP Top 10)
Step 4: Scripting
In cybersecurity, programming skills help you automate repetitive tasks, analyze logs and build simple tools. Bash and Python are the most useful languages in this field. Writing a simple port scanner or log analyzer in Python is a great project for both learning and your portfolio.
Step 5: Choose a direction — Red Team or Blue Team
Once the fundamentals are in place, it's time to specialize. Cybersecurity has two main directions:
- • Red Team (offense) — carries out authorized attacks to find weaknesses in systems: penetration testing, ethical hacking.
- • Blue Team (defense) — detects attacks, responds to them and protects systems: SOC analyst, incident response, security monitoring.
To figure out which direction suits you, read our article Red Team vs Blue Team: Which Path Should You Choose?.
Step 6: Practice in a safe environment
Cybersecurity can only be learned through practice. But one rule never changes: never test systems you don't have permission to test — it's illegal. Instead, use environments built specifically for learning:
- • Your own home lab with virtual machines
- • Hands-on platforms such as TryHackMe and Hack The Box
- • CTF (Capture The Flag) competitions
Solving challenges on these platforms reinforces your skills and gives you results you can show employers.
Which certifications are useful?
Certifications formally validate your knowledge and strengthen your CV. For beginner and intermediate levels, the best known are:
- • CompTIA Security+ — a widely recognized entry-level certification covering security fundamentals
- • CCNA — for a networking foundation
- • CEH (Certified Ethical Hacker) — an introduction to ethical hacking
- • eJPT, OSCP — hands-on penetration testing certifications (OSCP is more advanced)
Choose certifications that match your direction and earn them alongside practical experience.
The most common mistakes
- • Starting with "hacking" tools right away — without networking and OS knowledge, the tools are just buttons
- • Focusing only on certificates — without practice, a certificate won't carry you through an interview
- • Trying to learn everything at once — fundamentals first, specialization later
- • Ignoring ethical and legal boundaries — unauthorized testing can end a career before it starts
Frequently asked questions
Do I need math or programming skills for cybersecurity?
Most roles don't require advanced math. For programming, being able to write scripts in Python and Bash is enough, and that skill develops gradually as you learn.
How long does it take a beginner to become job-ready?
It depends on how much time you invest and your learning pace. With consistent, hands-on study, you can build a foundation for entry-level roles such as SOC analyst within a few months.
What is the typical first job in cybersecurity?
The most common entry-level roles are SOC analyst (Level 1), junior security specialist, or network/system administrator. Many professionals start in IT support or system administration and then move into security.
Conclusion
Getting into cybersecurity from scratch is entirely possible if you build the path correctly: networks and operating systems first, then security concepts, scripting and practice, and specialization last. If you are patient, curious and committed to ethical rules, this field offers a long and rewarding career.
Want to start cybersecurity with the right foundation? In IDTech Academy's Blue Team and Red Team cybersecurity courses, you'll learn these skills in hands-on labs under the guidance of experienced professionals. Learn more about the course →