For a lot of good security article read what one of our users, Kevin Beaver has on this site. He has also written a few good books you may want to pick up
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You are doing your graduation, but in which filed like arts/ commerce/ science that is not disclosed here. You can go for Cisco cyber specialist course fortunately no prerequisites are required for that course. This is here,
Also there is another famous course on Ethical hacking, which is also more demanding in current market scenario.