You could do better than read that @infosechandbook guy's blog. He might be well intentioned (at least I haven't seen any indications to the contrary) but his competence in security (and information technology) matters is rather lacking.
Mind, proper #infosec tends to be dry and mind numbingly boring, not the kind of thing that makes good blogging material.
If you're in uni there's a good chance you can attend an elective course or two to satisfy your curiosity in the subject.
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