Become a Cybersecurity Engineer
Cybersecurity is one of the fastest-growing corners of tech and one of the few where free resources can genuinely get you hired. Defenders protect systems, networks, and data from attackers, and the work spans everything from spotting phishing to hardening cloud infrastructure. This path is for curious, detail-oriented people who like puzzles and don't need a degree to start. It moves from networking basics through hands-on hacking labs to a recognised entry-level certification, no prior experience needed, in 6 to 12 months of part-time study.
Yes, you can break into cybersecurity for free. It's one of the rare tech fields where hands-on practice matters more than a degree, and the best practice platforms (TryHackMe, plus free courses from Harvard and Microsoft) cost nothing to start. Begin with networking and Linux basics, learn how attackers think, then practise in real lab environments before earning an entry-level certification like Microsoft's SC-900. Information security analyst roles are growing far faster than average and pay well above the national median. A committed beginner can reach an entry-level, certification-ready point in 6 to 12 months of part-time study.
Information security analyst jobs are projected to grow 33% from 2023 to 2033, one of the fastest rates of any occupation, with a median annual wage of $120,360 (source: U.S. Bureau of Labor Statistics, https://www.bls.gov/ooh/computer-and-information-technology/information-security-analysts.htm).
Your Step-by-Step Path
Step 1: Cybersecurity Foundations
Start with TryHackMe's Pre-Security path. It covers networking, the web, and Linux from scratch, designed specifically for people with no prior security knowledge.
Pre-Security Path
50h · Free
Step 2: Introduction to Cybersecurity (Harvard CS50)
Harvard's free cybersecurity course covers how attackers think, common vulnerabilities, and defensive principles. The lecture quality is unmatched and it comes with a free certificate.
CS50's Introduction to Cybersecurity
30h · Free
Step 3: Hands-on Hacking Labs
TryHackMe's Cyber Security 101 is the most beginner-friendly way to practice in real lab environments. You'll exploit systems, escalate privileges, and defend networks, all in a browser.
Cyber Security 101
60h · Free
Step 4: Security Fundamentals Certification (Microsoft)
Microsoft's SC-900 is a free certification-prep course covering security, compliance, and identity in cloud environments. It's a recognised entry-level credential and a strong résumé signal.
Microsoft Security, Compliance, and Identity Fundamentals (SC-900)
6h · Free
Step 5: Automate with Python
Security work leans hard on scripting: parsing logs, scanning networks, and building small tools. Harvard's CS50P teaches Python from scratch, the language most security engineers reach for when they need to automate a task or write a quick script.
CS50's Introduction to Programming with Python
36h · Free
More Courses to Explore
Harvard's introduction to cybersecurity for technical and non-technical audiences. Covers threats, authentication, networking, system security, and operational security. Free to audit; certificate available via edX.
Pre-Security Path
TryHackMe's free Pre-Security learning path. Covers cybersecurity careers, basic networking, web fundamentals, Linux, and Windows. Designed for total beginners with no IT background.
Cyber Security 101
TryHackMe's flagship beginner path covering the breadth of cybersecurity: networking, web exploitation, cryptography, defensive security, and incident response. Mostly free with hands-on rooms.
Microsoft Learn's path for the SC-900 certification. Covers security, compliance, and identity concepts, Microsoft Entra (Azure AD), and Microsoft security solutions. Free with an aligned cert.
Frequently Asked Questions
Can I get into cybersecurity with no experience?
Yes, it's one of the more accessible tech fields for beginners. Start with TryHackMe's Pre-Security path, which assumes zero background, then build hands-on skills in real labs. Practical skill and curiosity matter more than a prior IT job.
Do I need a degree or certification for a cybersecurity job?
A degree is not required. An entry-level certification like Microsoft's SC-900 (covered on this path) plus demonstrable lab experience is often enough for a first role. Many hiring managers value hands-on TryHackMe or CTF work highly.
Is coding required for cybersecurity?
For entry-level roles, light scripting is enough, and this path's Python step covers it. Deeper roles like exploit development and tooling need more programming, but you can start without it and grow.
How long does it take to get job-ready in cybersecurity?
Around 6 to 12 months of consistent part-time study to reach an entry-level, certification-ready level. Speed depends on how much time you spend in hands-on labs versus just reading.
Which free platform is best for hands-on practice?
TryHackMe is the most beginner-friendly. Its Cyber Security 101 path runs entirely in the browser and lets you exploit and defend real systems without setting up your own lab.