I would say SANS but you can't afford it. Even blackhat briefs only cost more (they have trainings+defcon too). Beyond entry level stuff, either you need $3-8k/

I would say SANS but you can't afford it. Even blackhat briefs only cost more (they have trainings+defcon too). Beyond entry level stuff, either you need $3-8k/person or you stick with free videos and blogs that are nowhere near as good but still better than nothing. I don't know what your title means, do you work with apps or secure the infrastructure apps talk to? If your focus is strictly on software/code security disregard my advice (although since you mentioned tryhackme, my opinion might still be relevant)