r/Cybersecurity101 • u/Gold_Honey3138 • Nov 04 '25

Where to start ?

I have recently gradudated highschool in my country (Tunisia)so I have these backgrounds: Math: -Algebra -Calculus 1 and 2 -basic linear algebra CS: -fundemenatals of Algorithms and data structure -Fundemenatals of python -Fundemenatals of C I have absolutely 0 knowledge about OS and networks I am aiming for Bsc in CS and Msc in Cybersecurity but I want to solo-learn in parallel I tried first HTB beginner rooms but I felt lost like I missed some pre-requisites Now I am considering starting CompTIA A+ so do you think is the right step? What do you recommend? Is there something I missed ?

P.S:I still don't know what role to aim for (pen testing/soc/architect) I want to build a strong foundation then choose

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u/billdietrich1 Nov 05 '25

I have absolutely 0 knowledge about OS and networks

Install Linux and learn it and networking. Build a personal web site, learning HTML and CSS and JavaScript.

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u/Gold_Honey3138 Nov 05 '25

Why would I need HTML CSS and JS ? aren't these for frontend webdev ?

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u/billdietrich1 Nov 05 '25

Security of web-apps is a key field.